626426004 has 24 divisors (see below), whose sum is σ = 1462094368. Its totient is φ = 208746720.

The previous prime is 626425973. The next prime is 626426023. The reversal of 626426004 is 400624626.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54219 + ... + 64749.

Almost surely, 2^626426004 is an apocalyptic number.

It is an amenable number.

626426004 is an abundant number, since it is smaller than the sum of its proper divisors (835668364).

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

626426004 is a wasteful number, since it uses less digits than its factorization.

626426004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15495 (or 15493 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 626426004 is about 25028.5038306328. The cubic root of 626426004 is about 855.6377281044.

The spelling of 626426004 in words is "six hundred twenty-six million, four hundred twenty-six thousand, four".