439148980 has 24 divisors (see below), whose sum is σ = 923301288. Its totient is φ = 175452288.

The previous prime is 439148971. The next prime is 439148999. The reversal of 439148980 is 89841934.

It can be written as a sum of positive squares in 4 ways, for example, as 103673124 + 335475856 = 10182^2 + 18316^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 439148980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5022 + ... + 30058.

It is an arithmetic number, because the mean of its divisors is an integer number (38470887).

Almost surely, 2^439148980 is an apocalyptic number.

It is an amenable number.

439148980 is an abundant number, since it is smaller than the sum of its proper divisors (484152308).

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

439148980 is a wasteful number, since it uses less digits than its factorization.

439148980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25923 (or 25921 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 439148980 is about 20955.8817519092. The cubic root of 439148980 is about 760.0998137603.

The spelling of 439148980 in words is "four hundred thirty-nine million, one hundred forty-eight thousand, nine hundred eighty".