40043431311120 has 100 divisors (see below), whose sum is σ = 139076769326220. Its totient is φ = 10678248347904.

The previous prime is 40043431311113. The next prime is 40043431311161. The reversal of 40043431311120 is 2111313434004.

40043431311120 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 343 + 1 + 311 + 1 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14835962655504 + 25207468655616 = 3851748^2 + 5020704^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3089764455 + ... + 3089777414.

Almost surely, 2^{40043431311120} is an apocalyptic number.

40043431311120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40043431311120 is an abundant number, since it is smaller than the sum of its proper divisors (99033338015100).

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

40043431311120 is a wasteful number, since it uses less digits than its factorization.

40043431311120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179541894 (or 6179541879 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 40043431311120 its reverse (2111313434004), we get a palindrome (42154744745124).

The spelling of 40043431311120 in words is "forty trillion, forty-three billion, four hundred thirty-one million, three hundred eleven thousand, one hundred twenty".