620404244 has 12 divisors (see below), whose sum is σ = 1086087744. Its totient is φ = 310093464.

The previous prime is 620404237. The next prime is 620404261. The reversal of 620404244 is 442404026.

620404244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13562 + ... + 37745.

It is an arithmetic number, because the mean of its divisors is an integer number (90507312).

Almost surely, 2^620404244 is an apocalyptic number.

It is an amenable number.

620404244 is a deficient number, since it is larger than the sum of its proper divisors (465683500).

620404244 is a wasteful number, since it uses less digits than its factorization.

620404244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54334 (or 54332 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 620404244 is about 24907.9152881167. The cubic root of 620404244 is about 852.8871804453.

The spelling of 620404244 in words is "six hundred twenty million, four hundred four thousand, two hundred forty-four".