624961964020 has 24 divisors (see below), whose sum is σ = 1312452439200. Its totient is φ = 249978630432.

The previous prime is 624961963931. The next prime is 624961964021. The reversal of 624961964020 is 20469169426.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624961964021) 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, 497191 + ... + 1223569.

It is an arithmetic number, because the mean of its divisors is an integer number (54685518300).

Almost surely, 2^624961964020 is an apocalyptic number.

It is an amenable number.

624961964020 is an abundant number, since it is smaller than the sum of its proper divisors (687490475180).

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

624961964020 is a wasteful number, since it uses less digits than its factorization.

624961964020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769407 (or 769405 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 624961964020 in words is "six hundred twenty-four billion, nine hundred sixty-one million, nine hundred sixty-four thousand, twenty".