40768869864 has 16 divisors (see below), whose sum is σ = 101922174720. Its totient is φ = 13589623280.

The previous prime is 40768869851. The next prime is 40768869887. The reversal of 40768869864 is 46896886704.

40768869864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40768869795 and 40768869804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849351432 + ... + 849351479.

It is an arithmetic number, because the mean of its divisors is an integer number (6370135920).

Almost surely, 2^40768869864 is an apocalyptic number.

It is an amenable number.

40768869864 is an abundant number, since it is smaller than the sum of its proper divisors (61153304856).

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

40768869864 is a wasteful number, since it uses less digits than its factorization.

40768869864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698702920 (or 1698702916 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 40768869864 in words is "forty billion, seven hundred sixty-eight million, eight hundred sixty-nine thousand, eight hundred sixty-four".