439978670022 has 32 divisors (see below), whose sum is σ = 904590634752. Its totient is φ = 142561469664.

The previous prime is 439978670017. The next prime is 439978670041. The reversal of 439978670022 is 220076879934.

It is a super-2 number, since 2×439978670022² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696228 + ... + 1168199.

It is an arithmetic number, because the mean of its divisors is an integer number (28268457336).

Almost surely, 2^439978670022 is an apocalyptic number.

439978670022 is an abundant number, since it is smaller than the sum of its proper divisors (464611964730).

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

439978670022 is a wasteful number, since it uses less digits than its factorization.

439978670022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865532.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 439978670022 in words is "four hundred thirty-nine billion, nine hundred seventy-eight million, six hundred seventy thousand, twenty-two".