2012599044 has 27 divisors (see below), whose sum is σ = 5088083637. Its totient is φ = 670776624.

The previous prime is 2012599031. The next prime is 2012599063. The reversal of 2012599044 is 4409952102.

The square root of 2012599044 is 44862.

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

2012599044 is a `hidden beast` number, since 20 + 1 + 2 + 599 + 0 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1926332100 + 86266944 = 43890^2 + 9288^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 265434 + ... + 272910.

Almost surely, 2^2012599044 is an apocalyptic number.

2012599044 is the 44862-nd square number.

It is an amenable number.

2012599044 is an abundant number, since it is smaller than the sum of its proper divisors (3075484593).

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

2012599044 is an frugal number, since it uses more digits than its factorization.

2012599044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964 (or 7482 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The cubic root of 2012599044 is about 1262.5611473047.

Multiplying 2012599044 by its sum of digits (36), we get a square (72453565584 = 269172²).

2012599044 divided by its sum of digits (36) gives a square (55905529 = 7477²).

The spelling of 2012599044 in words is "two billion, twelve million, five hundred ninety-nine thousand, forty-four".