439909960936 has 16 divisors (see below), whose sum is σ = 825502335300. Its totient is φ = 219776004864.

The previous prime is 439909960933. The next prime is 439909961011. The reversal of 439909960936 is 639069909934.

It can be written as a sum of positive squares in 2 ways, for example, as 439874032900 + 35928036 = 663230^2 + 5994^2 .

It is not an unprimeable number, because it can be changed into a prime (439909960933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22361505 + ... + 22381168.

Almost surely, 2^439909960936 is an apocalyptic number.

It is an amenable number.

439909960936 is a deficient number, since it is larger than the sum of its proper divisors (385592374364).

439909960936 is a wasteful number, since it uses less digits than its factorization.

439909960936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44743908 (or 44743904 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 67.

The spelling of 439909960936 in words is "four hundred thirty-nine billion, nine hundred nine million, nine hundred sixty thousand, nine hundred thirty-six".