240721368 has 16 divisors (see below), whose sum is σ = 601803480. Its totient is φ = 80240448.

The previous prime is 240721367. The next prime is 240721391. The reversal of 240721368 is 863127042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240721361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5015005 + ... + 5015052.

Almost surely, 2^240721368 is an apocalyptic number.

It is an amenable number.

240721368 is an abundant number, since it is smaller than the sum of its proper divisors (361082112).

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

240721368 is a wasteful number, since it uses less digits than its factorization.

240721368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030066 (or 10030062 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 240721368 is about 15515.1979684437. The cubic root of 240721368 is about 622.0685056696.

The spelling of 240721368 in words is "two hundred forty million, seven hundred twenty-one thousand, three hundred sixty-eight".