242240044513 has 16 divisors (see below), whose sum is σ = 257144535040. Its totient is φ = 227559099600.

The previous prime is 242240044493. The next prime is 242240044537. The reversal of 242240044513 is 315440042242.

It is a cyclic number.

It is not a de Polignac number, because 242240044513 - 2³⁷ = 104801091041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242240044313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974956 + ... + 1197922.

It is an arithmetic number, because the mean of its divisors is an integer number (16071533440).

Almost surely, 2^242240044513 is an apocalyptic number.

It is an amenable number.

242240044513 is a deficient number, since it is larger than the sum of its proper divisors (14904490527).

242240044513 is a wasteful number, since it uses less digits than its factorization.

242240044513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223468.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 242240044513 its reverse (315440042242), we get a palindrome (557680086755).

The spelling of 242240044513 in words is "two hundred forty-two billion, two hundred forty million, forty-four thousand, five hundred thirteen".