40885764864 has 576 divisors, whose sum is σ = 137706863616. Its totient is φ = 10503585792.

The previous prime is 40885764841. The next prime is 40885764917. The reversal of 40885764864 is 46846758804.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40885764798 and 40885764807.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 361820872 + ... + 361820984.

It is an arithmetic number, because the mean of its divisors is an integer number (239074416).

Almost surely, 2^40885764864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40885764864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68853431808).

40885764864 is an abundant number, since it is smaller than the sum of its proper divisors (96821098752).

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

40885764864 is a wasteful number, since it uses less digits than its factorization.

40885764864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 60.

The spelling of 40885764864 in words is "forty billion, eight hundred eighty-five million, seven hundred sixty-four thousand, eight hundred sixty-four".