439842638316 has 24 divisors (see below), whose sum is σ = 1027494274240. Its totient is φ = 146443529232.

The previous prime is 439842638311. The next prime is 439842638321. The reversal of 439842638316 is 613836248934.

It is an interprime number because it is at equal distance from previous prime (439842638311) and next prime (439842638321).

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

It is not an unprimeable number, because it can be changed into a prime (439842638311) 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, 21324706 + ... + 21345321.

Almost surely, 2^439842638316 is an apocalyptic number.

It is an amenable number.

439842638316 is an abundant number, since it is smaller than the sum of its proper divisors (587651635924).

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

439842638316 is a wasteful number, since it uses less digits than its factorization.

439842638316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42670893 (or 42670891 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 57.

The spelling of 439842638316 in words is "four hundred thirty-nine billion, eight hundred forty-two million, six hundred thirty-eight thousand, three hundred sixteen".