240638704 has 10 divisors (see below), whose sum is σ = 466237520. Its totient is φ = 120319344.

The previous prime is 240638701. The next prime is 240638729. The reversal of 240638704 is 407836042.

It is a self number, because there is not a number n which added to its sum of digits gives 240638704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240638701) by changing a digit.

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 as a sum of consecutive naturals, namely, 7519944 + ... + 7519975.

It is an arithmetic number, because the mean of its divisors is an integer number (46623752).

Almost surely, 2^240638704 is an apocalyptic number.

It is an amenable number.

240638704 is a deficient number, since it is larger than the sum of its proper divisors (225598816).

240638704 is a wasteful number, since it uses less digits than its factorization.

240638704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15039927 (or 15039921 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 240638704 is about 15512.5337711155. The cubic root of 240638704 is about 621.9972911659.

The spelling of 240638704 in words is "two hundred forty million, six hundred thirty-eight thousand, seven hundred four".