240231604 has 12 divisors (see below), whose sum is σ = 422755200. Its totient is φ = 119444408.

The previous prime is 240231601. The next prime is 240231623. The reversal of 240231604 is 406132042.

It is a happy number.

It is a super-2 number, since 2×240231604² = 115422447120825632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240231601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167044 + ... + 168475.

It is an arithmetic number, because the mean of its divisors is an integer number (35229600).

Almost surely, 2^240231604 is an apocalyptic number.

It is an amenable number.

240231604 is a deficient number, since it is larger than the sum of its proper divisors (182523596).

240231604 is a wasteful number, since it uses less digits than its factorization.

240231604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335702 (or 335700 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 240231604 is about 15499.4065692852. The cubic root of 240231604 is about 621.6463389993.

Adding to 240231604 its reverse (406132042), we get a palindrome (646363646).

The spelling of 240231604 in words is "two hundred forty million, two hundred thirty-one thousand, six hundred four".