439777118028 has 24 divisors (see below), whose sum is σ = 1026198831280. Its totient is φ = 146584912320.

The previous prime is 439777118021. The next prime is 439777118087. The reversal of 439777118028 is 820811777934.

It is not an unprimeable number, because it can be changed into a prime (439777118021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684283 + ... + 1160946.

Almost surely, 2^439777118028 is an apocalyptic number.

It is an amenable number.

439777118028 is an abundant number, since it is smaller than the sum of its proper divisors (586421713252).

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

439777118028 is a wasteful number, since it uses less digits than its factorization.

439777118028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865097 (or 1865095 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 57.

The spelling of 439777118028 in words is "four hundred thirty-nine billion, seven hundred seventy-seven million, one hundred eighteen thousand, twenty-eight".