63456344 has 16 divisors (see below), whose sum is σ = 135978000. Its totient is φ = 27195552.

The previous prime is 63456331. The next prime is 63456383. The reversal of 63456344 is 44365436.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566519 + ... + 566630.

It is an arithmetic number, because the mean of its divisors is an integer number (8498625).

Almost surely, 2^63456344 is an apocalyptic number.

It is an amenable number.

63456344 is an abundant number, since it is smaller than the sum of its proper divisors (72521656).

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

63456344 is a wasteful number, since it uses less digits than its factorization.

63456344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133162 (or 1133158 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

The square root of 63456344 is about 7965.9490332289. The cubic root of 63456344 is about 398.8641610610.

The spelling of 63456344 in words is "sixty-three million, four hundred fifty-six thousand, three hundred forty-four".