864606604260 has 72 divisors (see below), whose sum is σ = 2816147234880. Its totient is φ = 197624366016.

The previous prime is 864606604243. The next prime is 864606604291. The reversal of 864606604260 is 62406606468.

It is a happy number.

864606604260 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147039000 + ... + 147044879.

It is an arithmetic number, because the mean of its divisors is an integer number (39113156040).

Almost surely, 2^864606604260 is an apocalyptic number.

It is an amenable number.

864606604260 is an abundant number, since it is smaller than the sum of its proper divisors (1951540630620).

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

864606604260 is a wasteful number, since it uses less digits than its factorization.

864606604260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294083905 (or 294083896 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 864606604260 in words is "eight hundred sixty-four billion, six hundred six million, six hundred four thousand, two hundred sixty".