240489456 has 40 divisors (see below), whose sum is σ = 621876864. Its totient is φ = 80084160.

The previous prime is 240489439. The next prime is 240489467. The reversal of 240489456 is 654984042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66741 + ... + 70251.

Almost surely, 2^240489456 is an apocalyptic number.

It is an amenable number.

240489456 is an abundant number, since it is smaller than the sum of its proper divisors (381387408).

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

240489456 is a wasteful number, since it uses less digits than its factorization.

240489456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 240489456 is about 15507.7224633406. The cubic root of 240489456 is about 621.8686736594.

The spelling of 240489456 in words is "two hundred forty million, four hundred eighty-nine thousand, four hundred fifty-six".