240715720 has 64 divisors (see below), whose sum is σ = 633409920. Its totient is φ = 80607744.

The previous prime is 240715711. The next prime is 240715751. The reversal of 240715720 is 27517042.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 15 ways as a sum of consecutive naturals, for example, 2044 + ... + 22036.

It is an arithmetic number, because the mean of its divisors is an integer number (9897030).

Almost surely, 2^240715720 is an apocalyptic number.

240715720 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 240715720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316704960).

240715720 is an abundant number, since it is smaller than the sum of its proper divisors (392694200).

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

240715720 is a wasteful number, since it uses less digits than its factorization.

240715720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20054 (or 20050 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 240715720 is about 15515.0159522960. The cubic root of 240715720 is about 622.0636404730.

It can be divided in two parts, 24071 and 5720, that added together give a cube (29791 = 31³).

The spelling of 240715720 in words is "two hundred forty million, seven hundred fifteen thousand, seven hundred twenty".