240664072 has 16 divisors (see below), whose sum is σ = 492267600. Its totient is φ = 109392720.

The previous prime is 240664063. The next prime is 240664117. The reversal of 240664072 is 270466042.

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, 1367322 + ... + 1367497.

It is an arithmetic number, because the mean of its divisors is an integer number (30766725).

Almost surely, 2^240664072 is an apocalyptic number.

240664072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

240664072 is an abundant number, since it is smaller than the sum of its proper divisors (251603528).

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

240664072 is a wasteful number, since it uses less digits than its factorization.

240664072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734836 (or 2734832 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 240664072 is about 15513.3514109621. The cubic root of 240664072 is about 622.0191472688.

The spelling of 240664072 in words is "two hundred forty million, six hundred sixty-four thousand, seventy-two".