242008899136 has 21 divisors (see below), whose sum is σ = 480244218961. Its totient is φ = 121002481792.

The previous prime is 242008899133. The next prime is 242008899161. The reversal of 242008899136 is 631998800242.

The square root of 242008899136 is 491944.

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

242008899136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 234449640000 + 7559259136 = 484200^2 + 86944^2 .

It is a super-2 number, since 2×242008899136² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242008899133) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3904806 + ... + 3966298.

Almost surely, 2^242008899136 is an apocalyptic number.

242008899136 is the 491944-th square number.

It is an amenable number.

242008899136 is a deficient number, since it is larger than the sum of its proper divisors (238235319825).

242008899136 is an frugal number, since it uses more digits than its factorization.

242008899136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122998 (or 61495 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 242008899136 in words is "two hundred forty-two billion, eight million, eight hundred ninety-nine thousand, one hundred thirty-six".