240720552 has 32 divisors (see below), whose sum is σ = 668668800. Its totient is φ = 80240112.

The previous prime is 240720539. The next prime is 240720563. The reversal of 240720552 is 255027042.

240720552 is a `hidden beast` number, since 2 + 40 + 72 + 0 + 552 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 557008 + ... + 557439.

It is an arithmetic number, because the mean of its divisors is an integer number (20895900).

Almost surely, 2^240720552 is an apocalyptic number.

It is an amenable number.

240720552 is an abundant number, since it is smaller than the sum of its proper divisors (427948248).

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

240720552 is a wasteful number, since it uses less digits than its factorization.

240720552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114462 (or 1114452 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 240720552 is about 15515.1716716252. The cubic root of 240720552 is about 622.0678027706.

Adding to 240720552 its reverse (255027042), we get a palindrome (495747594).

The spelling of 240720552 in words is "two hundred forty million, seven hundred twenty thousand, five hundred fifty-two".