630626500 has 48 divisors (see below), whose sum is σ = 1574052480. Its totient is φ = 216213600.

The previous prime is 630626467. The next prime is 630626531. The reversal of 630626500 is 5626036.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 86590 + ... + 93589.

It is an arithmetic number, because the mean of its divisors is an integer number (32792760).

Almost surely, 2^630626500 is an apocalyptic number.

It is an amenable number.

630626500 is an abundant number, since it is smaller than the sum of its proper divisors (943425980).

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

630626500 is a wasteful number, since it uses less digits than its factorization.

630626500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180205 (or 180193 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 630626500 is about 25112.2778735821. The cubic root of 630626500 is about 857.5459605282.

It can be divided in two parts, 630626 and 500, that added together give a triangular number (631126 = T₁₁₂₃).

The spelling of 630626500 in words is "six hundred thirty million, six hundred twenty-six thousand, five hundred".