240072988 has 12 divisors (see below), whose sum is σ = 438394320. Its totient is φ = 114817472.

The previous prime is 240072979. The next prime is 240073019. The reversal of 240072988 is 889270042.

It is a self number, because there is not a number n which added to its sum of digits gives 240072988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304653 + ... + 1304836.

It is an arithmetic number, because the mean of its divisors is an integer number (36532860).

Almost surely, 2^240072988 is an apocalyptic number.

It is an amenable number.

240072988 is a deficient number, since it is larger than the sum of its proper divisors (198321332).

240072988 is a wasteful number, since it uses less digits than its factorization.

240072988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609516 (or 2609514 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 240072988 is about 15494.2888833273. The cubic root of 240072988 is about 621.5094922185.

The spelling of 240072988 in words is "two hundred forty million, seventy-two thousand, nine hundred eighty-eight".