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40305412000 = 255371977307
BaseRepresentation
bin100101100010011000…
…111100011110100000
310212000221202002000001
4211202120330132200
51130021141141000
630303244505344
72624543230540
oct454230743640
9125027662001
1040305412000
1116103399657
12798a24b254
133a54426819
141d44d8d320
1510ad71446a
hex96263c7a0

40305412000 has 192 divisors, whose sum is σ = 113767670016. Its totient is φ = 13746969600.

The previous prime is 40305411961. The next prime is 40305412001. The reversal of 40305412000 is 21450304.

It is not an unprimeable number, because it can be changed into a prime (40305412001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5512347 + ... + 5519653.

It is an arithmetic number, because the mean of its divisors is an integer number (592539948).

Almost surely, 240305412000 is an apocalyptic number.

40305412000 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 40305412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56883835008).

40305412000 is an abundant number, since it is smaller than the sum of its proper divisors (73462258016).

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

40305412000 is a wasteful number, since it uses less digits than its factorization.

40305412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536 (or 7518 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 40305412000 its reverse (21450304), we get a palindrome (40326862304).

The spelling of 40305412000 in words is "forty billion, three hundred five million, four hundred twelve thousand".