439561044036 has 45 divisors (see below), whose sum is σ = 1149130594381. Its totient is φ = 146516370048.

The previous prime is 439561044031. The next prime is 439561044077. The reversal of 439561044036 is 630440165934.

The square root of 439561044036 is 662994.

It is a perfect power (a square), and thus also a powerful number.

439561044036 is a `hidden beast` number, since 43 + 9 + 561 + 0 + 4 + 40 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5353848900 + 434207195136 = 73170^2 + 658944^2 .

It is a super-2 number, since 2×439561044036² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 439561043982 and 439561044000.

It is not an unprimeable number, because it can be changed into a prime (439561044031) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11915476 + ... + 11952308.

Almost surely, 2^439561044036 is an apocalyptic number.

439561044036 is the 662994-th square number.

It is an amenable number.

439561044036 is an abundant number, since it is smaller than the sum of its proper divisors (709569550345).

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

439561044036 is an frugal number, since it uses more digits than its factorization.

439561044036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73682 (or 36838 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 439561044036 in words is "four hundred thirty-nine billion, five hundred sixty-one million, forty-four thousand, thirty-six".