455563644 has 24 divisors (see below), whose sum is σ = 1073304960. Its totient is φ = 150379824.

The previous prime is 455563613. The next prime is 455563651. The reversal of 455563644 is 446365554.

It is a junction number, because it is equal to n+sod(n) for n = 455563596 and 455563605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183054 + ... + 185525.

It is an arithmetic number, because the mean of its divisors is an integer number (44721040).

Almost surely, 2^455563644 is an apocalyptic number.

It is an amenable number.

455563644 is an abundant number, since it is smaller than the sum of its proper divisors (617741316).

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

455563644 is a wasteful number, since it uses less digits than its factorization.

455563644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368689 (or 368687 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

The square root of 455563644 is about 21343.9369376879. The cubic root of 455563644 is about 769.4546337843.

The spelling of 455563644 in words is "four hundred fifty-five million, five hundred sixty-three thousand, six hundred forty-four".