656232044 has 48 divisors (see below), whose sum is σ = 1295378112. Its totient is φ = 288617472.

The previous prime is 656232041. The next prime is 656232053. The reversal of 656232044 is 440232656.

It is a self number, because there is not a number n which added to its sum of digits gives 656232044.

It is not an unprimeable number, because it can be changed into a prime (656232041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373472 + ... + 375224.

It is an arithmetic number, because the mean of its divisors is an integer number (26987044).

Almost surely, 2^656232044 is an apocalyptic number.

It is an amenable number.

656232044 is a deficient number, since it is larger than the sum of its proper divisors (639146068).

656232044 is a wasteful number, since it uses less digits than its factorization.

656232044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 656232044 is about 25617.0264472675. The cubic root of 656232044 is about 868.9987353672.

The spelling of 656232044 in words is "six hundred fifty-six million, two hundred thirty-two thousand, forty-four".