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40220310320 = 2453539142061
BaseRepresentation
bin100101011101010100…
…010011101100110000
310211211000121110102222
4211131110103230300
51124332344412240
630251004500212
72622460665641
oct453524235460
9124730543388
1040220310320
111606a353493
12796584a668
133a3c8cb2b8
141d379596c8
1510a6003eb5
hex95d513b30

40220310320 has 40 divisors (see below), whose sum is σ = 93539303280. Its totient is φ = 16083464960.

The previous prime is 40220310307. The next prime is 40220310323. The reversal of 40220310320 is 2301302204.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (40220310323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212090 + ... + 354150.

It is an arithmetic number, because the mean of its divisors is an integer number (2338482582).

Almost surely, 240220310320 is an apocalyptic number.

40220310320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40220310320 is an abundant number, since it is smaller than the sum of its proper divisors (53318992960).

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

40220310320 is a wasteful number, since it uses less digits than its factorization.

40220310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145613 (or 145607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 40220310320 its reverse (2301302204), we get a palindrome (42521612524).

The spelling of 40220310320 in words is "forty billion, two hundred twenty million, three hundred ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3539 7078 14156 17695 28312 35390 56624 70780 141560 142061 283120 284122 568244 710305 1136488 1420610 2272976 2841220 5682440 11364880 502753879 1005507758 2011015516 2513769395 4022031032 5027538790 8044062064 10055077580 20110155160 40220310320