264544242 has 24 divisors (see below), whose sum is σ = 562045776. Its totient is φ = 82993728.

The previous prime is 264544169. The next prime is 264544249. The reversal of 264544242 is 242445462.

It is not an unprimeable number, because it can be changed into a prime (264544249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74548 + ... + 78015.

It is an arithmetic number, because the mean of its divisors is an integer number (23418574).

Almost surely, 2^264544242 is an apocalyptic number.

264544242 is an abundant number, since it is smaller than the sum of its proper divisors (297501534).

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

264544242 is a wasteful number, since it uses less digits than its factorization.

264544242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152602 (or 152585 counting only the distinct ones).

The product of its digits is 61440, while the sum is 33.

The square root of 264544242 is about 16264.8160764271. The cubic root of 264544242 is about 641.9473904153.

The spelling of 264544242 in words is "two hundred sixty-four million, five hundred forty-four thousand, two hundred forty-two".