240565164 has 48 divisors (see below), whose sum is σ = 679246848. Its totient is φ = 64689408.

The previous prime is 240565159. The next prime is 240565189. The reversal of 240565164 is 461565042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82804 + ... + 85659.

It is an arithmetic number, because the mean of its divisors is an integer number (14150976).

Almost surely, 2^240565164 is an apocalyptic number.

It is an amenable number.

240565164 is an abundant number, since it is smaller than the sum of its proper divisors (438681684).

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

240565164 is a wasteful number, since it uses less digits than its factorization.

240565164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168494 (or 168492 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 240565164 is about 15510.1632486573. The cubic root of 240565164 is about 621.9339232199.

The spelling of 240565164 in words is "two hundred forty million, five hundred sixty-five thousand, one hundred sixty-four".