626406044 has 12 divisors (see below), whose sum is σ = 1195866168. Its totient is φ = 284730000.

The previous prime is 626406019. The next prime is 626406049. The reversal of 626406044 is 440604626.

It is a self number, because there is not a number n which added to its sum of digits gives 626406044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626406049) 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, 7118207 + ... + 7118294.

It is an arithmetic number, because the mean of its divisors is an integer number (99655514).

Almost surely, 2^626406044 is an apocalyptic number.

It is an amenable number.

626406044 is a deficient number, since it is larger than the sum of its proper divisors (569460124).

626406044 is a wasteful number, since it uses less digits than its factorization.

626406044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236516 (or 14236514 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 626406044 is about 25028.1050820872. The cubic root of 626406044 is about 855.6286401938.

The spelling of 626406044 in words is "six hundred twenty-six million, four hundred six thousand, forty-four".