622461646044 has 72 divisors (see below), whose sum is σ = 1876406138880. Its totient is φ = 170113740192.

The previous prime is 622461646033. The next prime is 622461646049. The reversal of 622461646044 is 440646164226.

622461646044 is a `hidden beast` number, since 6 + 2 + 24 + 6 + 16 + 4 + 604 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622461646049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53691724 + ... + 53703315.

Almost surely, 2^622461646044 is an apocalyptic number.

It is an amenable number.

622461646044 is an abundant number, since it is smaller than the sum of its proper divisors (1253944492836).

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

622461646044 is a wasteful number, since it uses less digits than its factorization.

622461646044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107395079 (or 107395074 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 622461646044 in words is "six hundred twenty-two billion, four hundred sixty-one million, six hundred forty-six thousand, forty-four".