626460780 has 96 divisors (see below), whose sum is σ = 2014306560. Its totient is φ = 143873280.

The previous prime is 626460763. The next prime is 626460781. The reversal of 626460780 is 87064626.

It is not an unprimeable number, because it can be changed into a prime (626460781) 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 31 ways as a sum of consecutive naturals, for example, 12439 + ... + 37518.

It is an arithmetic number, because the mean of its divisors is an integer number (20982360).

Almost surely, 2^626460780 is an apocalyptic number.

626460780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

626460780 is an abundant number, since it is smaller than the sum of its proper divisors (1387845780).

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

626460780 is a wasteful number, since it uses less digits than its factorization.

626460780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49999 (or 49997 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 626460780 is about 25029.1985488948. The cubic root of 626460780 is about 855.6535613695.

The spelling of 626460780 in words is "six hundred twenty-six million, four hundred sixty thousand, seven hundred eighty".