420624204664 has 32 divisors (see below), whose sum is σ = 808460777520. Its totient is φ = 205052230656.

The previous prime is 420624204629. The next prime is 420624204667. The reversal of 420624204664 is 466402426024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420624204667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906009 + ... + 1289224.

Almost surely, 2^420624204664 is an apocalyptic number.

It is an amenable number.

420624204664 is a deficient number, since it is larger than the sum of its proper divisors (387836572856).

420624204664 is a wasteful number, since it uses less digits than its factorization.

420624204664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195839 (or 2195835 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 420624204664 in words is "four hundred twenty billion, six hundred twenty-four million, two hundred four thousand, six hundred sixty-four".