240031164 has 24 divisors (see below), whose sum is σ = 560580048. Its totient is φ = 79937920.

The previous prime is 240031163. The next prime is 240031193. The reversal of 240031164 is 461130042.

It is a super-2 number, since 2×240031164² = 115229919382389792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240031164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240031163) 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, 5704 + ... + 22640.

It is an arithmetic number, because the mean of its divisors is an integer number (23357502).

Almost surely, 2^240031164 is an apocalyptic number.

It is an amenable number.

240031164 is an abundant number, since it is smaller than the sum of its proper divisors (320548884).

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

240031164 is a wasteful number, since it uses less digits than its factorization.

240031164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18125 (or 18123 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 240031164 is about 15492.9391659556. The cubic root of 240031164 is about 621.4733983027.

The spelling of 240031164 in words is "two hundred forty million, thirty-one thousand, one hundred sixty-four".