40864755065464 has 64 divisors (see below), whose sum is σ = 86684945666400. Its totient is φ = 17889650688000.

The previous prime is 40864755065443. The next prime is 40864755065471. The reversal of 40864755065464 is 46456055746804.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40864755065396 and 40864755065405.

It is a congruent number.

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, 18942777 + ... + 20989480.

Almost surely, 2^{40864755065464} is an apocalyptic number.

40864755065464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40864755065464 is an abundant number, since it is smaller than the sum of its proper divisors (45820190600936).

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

40864755065464 is a wasteful number, since it uses less digits than its factorization.

40864755065464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39932704 (or 39932700 counting only the distinct ones).

The product of its (nonzero) digits is 387072000, while the sum is 64.

The spelling of 40864755065464 in words is "forty trillion, eight hundred sixty-four billion, seven hundred fifty-five million, sixty-five thousand, four hundred sixty-four".