439978879934 has 16 divisors (see below), whose sum is σ = 727093814256. Its totient is φ = 198010296000.

The previous prime is 439978879931. The next prime is 439978879939.

439978879934 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439978879931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99002927 + ... + 99007370.

It is an arithmetic number, because the mean of its divisors is an integer number (45443363391).

Almost surely, 2^439978879934 is an apocalyptic number.

439978879934 is a deficient number, since it is larger than the sum of its proper divisors (287114934322).

439978879934 is a wasteful number, since it uses less digits than its factorization.

439978879934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198010411.

The product of its digits is 2962842624, while the sum is 80.

The spelling of 439978879934 in words is "four hundred thirty-nine billion, nine hundred seventy-eight million, eight hundred seventy-nine thousand, nine hundred thirty-four".