240555648 has 64 divisors (see below), whose sum is σ = 656284320. Its totient is φ = 78013440.

The previous prime is 240555641. The next prime is 240555649. The reversal of 240555648 is 846555042.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (240555641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5743 + ... + 22673.

Almost surely, 2^240555648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240555648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328142160).

240555648 is an abundant number, since it is smaller than the sum of its proper divisors (415728672).

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

240555648 is a wasteful number, since it uses less digits than its factorization.

240555648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16985 (or 16973 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 240555648 is about 15509.8564790265. The cubic root of 240555648 is about 621.9257225296.

The spelling of 240555648 in words is "two hundred forty million, five hundred fifty-five thousand, six hundred forty-eight".