656241430452 has 24 divisors (see below), whose sum is σ = 1536217732896. Its totient is φ = 218034610848.

The previous prime is 656241430433. The next prime is 656241430463. The reversal of 656241430452 is 254034142656.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89062743 + ... + 89070110.

It is an arithmetic number, because the mean of its divisors is an integer number (64009072204).

Almost surely, 2^656241430452 is an apocalyptic number.

It is an amenable number.

656241430452 is an abundant number, since it is smaller than the sum of its proper divisors (879976302444).

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

656241430452 is a wasteful number, since it uses less digits than its factorization.

656241430452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178133167 (or 178133165 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 656241430452 in words is "six hundred fifty-six billion, two hundred forty-one million, four hundred thirty thousand, four hundred fifty-two".