2442138724 has 9 divisors (see below), whose sum is σ = 4273915737. Its totient is φ = 1221019944.

The previous prime is 2442138709. The next prime is 2442138731. The reversal of 2442138724 is 4278312442.

The square root of 2442138724 is 49418.

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., 1646898724 + 795240000 = 40582^2 + 28200^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 86482 + ... + 111190.

Almost surely, 2^2442138724 is an apocalyptic number.

2442138724 is the 49418-th square number.

It is an amenable number.

2442138724 is a deficient number, since it is larger than the sum of its proper divisors (1831777013).

2442138724 is an frugal number, since it uses more digits than its factorization.

2442138724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49422 (or 24711 counting only the distinct ones).

The product of its digits is 86016, while the sum is 37.

The cubic root of 2442138724 is about 1346.6563295561.

The spelling of 2442138724 in words is "two billion, four hundred forty-two million, one hundred thirty-eight thousand, seven hundred twenty-four".