15040079044 has 27 divisors (see below), whose sum is σ = 27967208493. Its totient is φ = 7075722048.

The previous prime is 15040079011. The next prime is 15040079057. The reversal of 15040079044 is 44097004051.

The square root of 15040079044 is 122638.

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

It can be written as a sum of positive squares in only one way, i.e., 11709404100 + 3330674944 = 108210^2 + 57712^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a Duffinian number.

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, 4167889 + ... + 4171495.

Almost surely, 2^15040079044 is an apocalyptic number.

15040079044 is the 122638-th square number.

It is an amenable number.

15040079044 is a deficient number, since it is larger than the sum of its proper divisors (12927129449).

15040079044 is an frugal number, since it uses more digits than its factorization.

15040079044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252 (or 3626 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 15040079044 in words is "fifteen billion, forty million, seventy-nine thousand, forty-four".