626944072804 has 81 divisors (see below), whose sum is σ = 1334724814227. Its totient is φ = 256903611888.

The previous prime is 626944072801. The next prime is 626944072823. The reversal of 626944072804 is 408270449626.

The square root of 626944072804 is 791798.

It is a perfect power (a square), and thus also a powerful number.

626944072804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (626944072801) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 254957727 + ... + 254960185.

Almost surely, 2^626944072804 is an apocalyptic number.

626944072804 is the 791798-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 626944072804

626944072804 is an abundant number, since it is smaller than the sum of its proper divisors (707780741423).

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

626944072804 is an equidigital number, since it uses as much as digits as its factorization.

626944072804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 626944072804 in words is "six hundred twenty-six billion, nine hundred forty-four million, seventy-two thousand, eight hundred four".