424553664 has 28 divisors (see below), whose sum is σ = 1123298744. Its totient is φ = 141517824.

The previous prime is 424553653. The next prime is 424553669. The reversal of 424553664 is 466355424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424553669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105417 + ... + 1105800.

Almost surely, 2^424553664 is an apocalyptic number.

It is an amenable number.

424553664 is an abundant number, since it is smaller than the sum of its proper divisors (698745080).

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

424553664 is a wasteful number, since it uses less digits than its factorization.

424553664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211232 (or 2211222 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The square root of 424553664 is about 20604.7000463486. The cubic root of 424553664 is about 751.5840086447.

The spelling of 424553664 in words is "four hundred twenty-four million, five hundred fifty-three thousand, six hundred sixty-four".