40211468864 has 56 divisors (see below), whose sum is σ = 91753505088. Its totient is φ = 17127728640.

The previous prime is 40211468851. The next prime is 40211468879. The reversal of 40211468864 is 46886411204.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202307 + ... + 348354.

It is an arithmetic number, because the mean of its divisors is an integer number (1638455448).

Almost surely, 2^40211468864 is an apocalyptic number.

It is an amenable number.

40211468864 is an abundant number, since it is smaller than the sum of its proper divisors (51542036224).

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

40211468864 is a wasteful number, since it uses less digits than its factorization.

40211468864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550843 (or 550833 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 40211468864 in words is "forty billion, two hundred eleven million, four hundred sixty-eight thousand, eight hundred sixty-four".