240489256 has 24 divisors (see below), whose sum is σ = 524537370. Its totient is φ = 103066656.

The previous prime is 240489247. The next prime is 240489299. The reversal of 240489256 is 652984042.

It can be written as a sum of positive squares in only one way, i.e., 208340356 + 32148900 = 14434^2 + 5670^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 306355 + ... + 307138.

Almost surely, 2^240489256 is an apocalyptic number.

It is an amenable number.

240489256 is an abundant number, since it is smaller than the sum of its proper divisors (284048114).

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

240489256 is a wasteful number, since it uses less digits than its factorization.

240489256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613513 (or 613502 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 240489256 is about 15507.7160149391. The cubic root of 240489256 is about 621.8685012696.

The spelling of 240489256 in words is "two hundred forty million, four hundred eighty-nine thousand, two hundred fifty-six".