439407089316 has 144 divisors (see below), whose sum is σ = 1238075238400. Its totient is φ = 130488433920.

The previous prime is 439407089287. The next prime is 439407089339. The reversal of 439407089316 is 613980704934.

It is a happy number.

439407089316 is a `hidden beast` number, since 439 + 40 + 70 + 8 + 93 + 16 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5370885 + ... + 5452083.

Almost surely, 2^439407089316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439407089316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619037619200).

439407089316 is an abundant number, since it is smaller than the sum of its proper divisors (798668149084).

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

439407089316 is a wasteful number, since it uses less digits than its factorization.

439407089316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81626 (or 81621 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 439407089316 in words is "four hundred thirty-nine billion, four hundred seven million, eighty-nine thousand, three hundred sixteen".