240252144 has 80 divisors (see below), whose sum is σ = 680373120. Its totient is φ = 72449280.

The previous prime is 240252119. The next prime is 240252163. The reversal of 240252144 is 441252042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119919 + ... + 121905.

It is an arithmetic number, because the mean of its divisors is an integer number (8504664).

Almost surely, 2^240252144 is an apocalyptic number.

240252144 is a gapful number since it is divisible by the number (24) 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 240252144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340186560).

240252144 is an abundant number, since it is smaller than the sum of its proper divisors (440120976).

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

240252144 is a wasteful number, since it uses less digits than its factorization.

240252144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 240252144 is about 15500.0691611360. The cubic root of 240252144 is about 621.6640555857.

The spelling of 240252144 in words is "two hundred forty million, two hundred fifty-two thousand, one hundred forty-four".