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40313422400 = 265256944281
BaseRepresentation
bin100101100010110111…
…100000001001000000
310212001111211001012112
4211202313200021000
51130030214004100
630304132314452
72625001302506
oct454267401100
9125044731175
1040313422400
111610796aa19
127990a72a28
133a55c9c8c4
141d46076676
1510ae297b35
hex962de0240

40313422400 has 84 divisors (see below), whose sum is σ = 99372793380. Its totient is φ = 16096665600.

The previous prime is 40313422381. The next prime is 40313422403. The reversal of 40313422400 is 422431304.

It can be written as a sum of positive squares in 6 ways, for example, as 8509693504 + 31803728896 = 92248^2 + 178336^2 .

It is not an unprimeable number, because it can be changed into a prime (40313422403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888260 + ... + 932540.

It is an arithmetic number, because the mean of its divisors is an integer number (1183009445).

Almost surely, 240313422400 is an apocalyptic number.

40313422400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40313422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49686396690).

40313422400 is an abundant number, since it is smaller than the sum of its proper divisors (59059370980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40313422400 is a wasteful number, since it uses less digits than its factorization.

40313422400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44872 (or 44857 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40313422400 its reverse (422431304), we get a palindrome (40735853704).

The spelling of 40313422400 in words is "forty billion, three hundred thirteen million, four hundred twenty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 569 800 1138 1600 2276 2845 4552 5690 9104 11380 14225 18208 22760 28450 36416 44281 45520 56900 88562 91040 113800 177124 182080 221405 227600 354248 442810 455200 708496 885620 910400 1107025 1416992 1771240 2214050 2833984 3542480 4428100 7084960 8856200 14169920 17712400 25195889 35424800 50391778 70849600 100783556 125979445 201567112 251958890 403134224 503917780 629897225 806268448 1007835560 1259794450 1612536896 2015671120 2519588900 4031342240 5039177800 8062684480 10078355600 20156711200 40313422400