40507338536 has 64 divisors (see below), whose sum is σ = 90611066880. Its totient is φ = 16598957760.

The previous prime is 40507338503. The next prime is 40507338541. The reversal of 40507338536 is 63583370504.

It is a super-2 number, since 2×40507338536² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4595045 + ... + 4603851.

It is an arithmetic number, because the mean of its divisors is an integer number (1415797920).

Almost surely, 2^40507338536 is an apocalyptic number.

40507338536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40507338536 is an abundant number, since it is smaller than the sum of its proper divisors (50103728344).

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

40507338536 is a wasteful number, since it uses less digits than its factorization.

40507338536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414 (or 12410 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 40507338536 in words is "forty billion, five hundred seven million, three hundred thirty-eight thousand, five hundred thirty-six".