240742959 has 16 divisors (see below), whose sum is σ = 324841440. Its totient is φ = 158578560.

The previous prime is 240742937. The next prime is 240742961. The reversal of 240742959 is 959247042.

It is not a de Polignac number, because 240742959 - 2²⁰ = 239694383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240742959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240742919) 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, 149949 + ... + 151545.

It is an arithmetic number, because the mean of its divisors is an integer number (20302590).

Almost surely, 2^240742959 is an apocalyptic number.

240742959 is a deficient number, since it is larger than the sum of its proper divisors (84098481).

240742959 is a wasteful number, since it uses less digits than its factorization.

240742959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 240742959 is about 15515.8937544700. The cubic root of 240742959 is about 622.0871034918.

The spelling of 240742959 in words is "two hundred forty million, seven hundred forty-two thousand, nine hundred fifty-nine".