240740755 has 4 divisors (see below), whose sum is σ = 288888912. Its totient is φ = 192592600.

The previous prime is 240740749. The next prime is 240740777. The reversal of 240740755 is 557047042.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 240740755 - 2⁹ = 240740243 is a prime.

It is a super-2 number, since 2×240740755² = 115912222235940050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240740755.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24074071 + ... + 24074080.

It is an arithmetic number, because the mean of its divisors is an integer number (72222228).

Almost surely, 2^240740755 is an apocalyptic number.

240740755 is a deficient number, since it is larger than the sum of its proper divisors (48148157).

240740755 is an equidigital number, since it uses as much as digits as its factorization.

240740755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48148156.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 240740755 is about 15515.8227303614. The cubic root of 240740755 is about 622.0852050851.

Adding to 240740755 its reverse (557047042), we get a palindrome (797787797).

The spelling of 240740755 in words is "two hundred forty million, seven hundred forty thousand, seven hundred fifty-five".