40915933968 has 80 divisors (see below), whose sum is σ = 130091701376. Its totient is φ = 10791014400.

The previous prime is 40915933967. The next prime is 40915933991. The reversal of 40915933968 is 86933951904.

It is a super-2 number, since 2×40915933968² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40915933963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4679233 + ... + 4687968.

Almost surely, 2^40915933968 is an apocalyptic number.

40915933968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40915933968 is an abundant number, since it is smaller than the sum of its proper divisors (89175767408).

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

40915933968 is a wasteful number, since it uses less digits than its factorization.

40915933968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367232 (or 9367226 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 40915933968 in words is "forty billion, nine hundred fifteen million, nine hundred thirty-three thousand, nine hundred sixty-eight".