439422865752 has 64 divisors (see below), whose sum is σ = 1211916756960. Its totient is φ = 131909299200.

The previous prime is 439422865733. The next prime is 439422865787. The reversal of 439422865752 is 257568224934.

It is a junction number, because it is equal to n+sod(n) for n = 439422865692 and 439422865701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17162899 + ... + 17188482.

Almost surely, 2^439422865752 is an apocalyptic number.

It is an amenable number.

439422865752 is an abundant number, since it is smaller than the sum of its proper divisors (772493891208).

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

439422865752 is a wasteful number, since it uses less digits than its factorization.

439422865752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34351444 (or 34351440 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 57.

The spelling of 439422865752 in words is "four hundred thirty-nine billion, four hundred twenty-two million, eight hundred sixty-five thousand, seven hundred fifty-two".