856652463304 has 24 divisors (see below), whose sum is σ = 1765518250230. Its totient is φ = 389387482880.

The previous prime is 856652463301. The next prime is 856652463319. The reversal of 856652463304 is 403364256658.

It can be written as a sum of positive squares in only one way, i.e., 783915452100 + 72737011204 = 885390^2 + 269698^2 .

It is a super-2 number, since 2×856652463304² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (856652463301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442484809 + ... + 442486744.

Almost surely, 2^856652463304 is an apocalyptic number.

It is an amenable number.

856652463304 is an abundant number, since it is smaller than the sum of its proper divisors (908865786926).

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

856652463304 is a wasteful number, since it uses less digits than its factorization.

856652463304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884971581 (or 884971566 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 856652463304 in words is "eight hundred fifty-six billion, six hundred fifty-two million, four hundred sixty-three thousand, three hundred four".