319329040 has 20 divisors (see below), whose sum is σ = 742440204. Its totient is φ = 127731584.

The previous prime is 319329011. The next prime is 319329041. The reversal of 319329040 is 40923913.

It can be written as a sum of positive squares in 2 ways, for example, as 35473936 + 283855104 = 5956^2 + 16848^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 319328993 and 319329011.

It is not an unprimeable number, because it can be changed into a prime (319329041) 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, 1995727 + ... + 1995886.

Almost surely, 2^319329040 is an apocalyptic number.

It is an amenable number.

319329040 is an abundant number, since it is smaller than the sum of its proper divisors (423111164).

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

319329040 is a wasteful number, since it uses less digits than its factorization.

319329040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991626 (or 3991620 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 319329040 is about 17869.7800769903. The cubic root of 319329040 is about 683.5119918867.

The spelling of 319329040 in words is "three hundred nineteen million, three hundred twenty-nine thousand, forty".