461212643256 has 32 divisors (see below), whose sum is σ = 1153825247760. Its totient is φ = 153631729152.

The previous prime is 461212643239. The next prime is 461212643263. The reversal of 461212643256 is 652346212164.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6578065 + ... + 6647808.

Almost surely, 2^461212643256 is an apocalyptic number.

It is an amenable number.

461212643256 is an abundant number, since it is smaller than the sum of its proper divisors (692612604504).

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

461212643256 is a wasteful number, since it uses less digits than its factorization.

461212643256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227335 (or 13227331 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 461212643256 in words is "four hundred sixty-one billion, two hundred twelve million, six hundred forty-three thousand, two hundred fifty-six".