626680920 has 32 divisors (see below), whose sum is σ = 1880043120. Its totient is φ = 167114880.

The previous prime is 626680919. The next prime is 626680927. The reversal of 626680920 is 29086626.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626680927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611051 + ... + 2611290.

Almost surely, 2^626680920 is an apocalyptic number.

626680920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

626680920 is an abundant number, since it is smaller than the sum of its proper divisors (1253362200).

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

626680920 is a wasteful number, since it uses less digits than its factorization.

626680920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222355 (or 5222351 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 626680920 is about 25033.5958264090. The cubic root of 626680920 is about 855.7537759514.

The spelling of 626680920 in words is "six hundred twenty-six million, six hundred eighty thousand, nine hundred twenty".