620343044 has 12 divisors (see below), whose sum is σ = 1096140864. Its totient is φ = 307159944.

The previous prime is 620343029. The next prime is 620343137. The reversal of 620343044 is 440343026.

620343044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 752432 + ... + 753255.

It is an arithmetic number, because the mean of its divisors is an integer number (91345072).

Almost surely, 2^620343044 is an apocalyptic number.

It is an amenable number.

620343044 is a deficient number, since it is larger than the sum of its proper divisors (475797820).

620343044 is a wasteful number, since it uses less digits than its factorization.

620343044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505794 (or 1505792 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 620343044 is about 24906.6867326829. The cubic root of 620343044 is about 852.8591350688.

The spelling of 620343044 in words is "six hundred twenty million, three hundred forty-three thousand, forty-four".