40893665512 has 32 divisors (see below), whose sum is σ = 92783949120. Its totient is φ = 16494923520.

The previous prime is 40893665509. The next prime is 40893665569. The reversal of 40893665512 is 21556639804.

It is an unprimeable number.

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, 21476814 + ... + 21478717.

It is an arithmetic number, because the mean of its divisors is an integer number (2899498410).

Almost surely, 2^40893665512 is an apocalyptic number.

It is an amenable number.

40893665512 is an abundant number, since it is smaller than the sum of its proper divisors (51890283608).

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

40893665512 is a wasteful number, since it uses less digits than its factorization.

40893665512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42955561 (or 42955557 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 40893665512 in words is "forty billion, eight hundred ninety-three million, six hundred sixty-five thousand, five hundred twelve".