626480564 has 12 divisors (see below), whose sum is σ = 1117027044. Its totient is φ = 307329984.

The previous prime is 626480563. The next prime is 626480579. The reversal of 626480564 is 465084626.

It can be written as a sum of positive squares in 2 ways, for example, as 285339664 + 341140900 = 16892^2 + 18470^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626480563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477337 + ... + 1477760.

It is an arithmetic number, because the mean of its divisors is an integer number (93085587).

Almost surely, 2^626480564 is an apocalyptic number.

It is an amenable number.

626480564 is a deficient number, since it is larger than the sum of its proper divisors (490546480).

626480564 is a wasteful number, since it uses less digits than its factorization.

626480564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955154 (or 2955152 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 626480564 is about 25029.5937641824. The cubic root of 626480564 is about 855.6625686223.

The spelling of 626480564 in words is "six hundred twenty-six million, four hundred eighty thousand, five hundred sixty-four".