240839564 has 24 divisors (see below), whose sum is σ = 484877568. Its totient is φ = 102531600.

The previous prime is 240839539. The next prime is 240839569. The reversal of 240839564 is 465938042.

It is not an unprimeable number, because it can be changed into a prime (240839569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24254 + ... + 32709.

It is an arithmetic number, because the mean of its divisors is an integer number (20203232).

Almost surely, 2^240839564 is an apocalyptic number.

It is an amenable number.

240839564 is an abundant number, since it is smaller than the sum of its proper divisors (244038004).

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

240839564 is a wasteful number, since it uses less digits than its factorization.

240839564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57125 (or 57123 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 240839564 is about 15519.0065403685. The cubic root of 240839564 is about 622.1703024469.

The spelling of 240839564 in words is "two hundred forty million, eight hundred thirty-nine thousand, five hundred sixty-four".