242011665 has 64 divisors (see below), whose sum is σ = 498769920. Its totient is φ = 109045440.

The previous prime is 242011657. The next prime is 242011667. The reversal of 242011665 is 566110242.

242011665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242011665 - 2³ = 242011657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (242011667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65292 + ... + 68898.

It is an arithmetic number, because the mean of its divisors is an integer number (7793280).

Almost surely, 2^242011665 is an apocalyptic number.

It is an amenable number.

242011665 is an abundant number, since it is smaller than the sum of its proper divisors (256758255).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242011665 is a wasteful number, since it uses less digits than its factorization.

242011665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 242011665 is about 15556.7241088862. The cubic root of 242011665 is about 623.1779810231.

The spelling of 242011665 in words is "two hundred forty-two million, eleven thousand, six hundred sixty-five".