240881440 has 48 divisors (see below), whose sum is σ = 573229440. Its totient is φ = 95650560.

The previous prime is 240881387. The next prime is 240881441. The reversal of 240881440 is 44188042.

240881440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (240881441) 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, 16825 + ... + 27655.

It is an arithmetic number, because the mean of its divisors is an integer number (11942280).

Almost surely, 2^240881440 is an apocalyptic number.

240881440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240881440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286614720).

240881440 is an abundant number, since it is smaller than the sum of its proper divisors (332348000).

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

240881440 is a wasteful number, since it uses less digits than its factorization.

240881440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985 (or 10977 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 240881440 is about 15520.3556660278. The cubic root of 240881440 is about 622.2063603288.

The spelling of 240881440 in words is "two hundred forty million, eight hundred eighty-one thousand, four hundred forty".