652408656 has 40 divisors (see below), whose sum is σ = 1686347424. Its totient is φ = 217345920.

The previous prime is 652408651. The next prime is 652408657. The reversal of 652408656 is 656804256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652408651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127426 + ... + 132446.

Almost surely, 2^652408656 is an apocalyptic number.

It is an amenable number.

652408656 is an abundant number, since it is smaller than the sum of its proper divisors (1033938768).

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

652408656 is a wasteful number, since it uses less digits than its factorization.

652408656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739 (or 7733 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 652408656 is about 25542.2915181861. The cubic root of 652408656 is about 867.3077720505.

The spelling of 652408656 in words is "six hundred fifty-two million, four hundred eight thousand, six hundred fifty-six".