320055039 has 12 divisors (see below), whose sum is σ = 489496176. Its totient is φ = 200818752.

The previous prime is 320055031. The next prime is 320055041. The reversal of 320055039 is 930550023.

It is not a de Polignac number, because 320055039 - 2³ = 320055031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320055031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1045779 + ... + 1046084.

It is an arithmetic number, because the mean of its divisors is an integer number (40791348).

Almost surely, 2^320055039 is an apocalyptic number.

320055039 is a deficient number, since it is larger than the sum of its proper divisors (169441137).

320055039 is a wasteful number, since it uses less digits than its factorization.

320055039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091886 (or 2091883 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 320055039 is about 17890.0821406722. The cubic root of 320055039 is about 684.0295911585.

The spelling of 320055039 in words is "three hundred twenty million, fifty-five thousand, thirty-nine".