240647057 has 8 divisors (see below), whose sum is σ = 275119296. Its totient is φ = 206198352.

The previous prime is 240647051. The next prime is 240647059. The reversal of 240647057 is 750746042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240647057 - 2⁴ = 240647041 is a prime.

It is a super-2 number, since 2×240647057² = 115822012085522498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240647051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34898 + ... + 41220.

It is an arithmetic number, because the mean of its divisors is an integer number (34389912).

Almost surely, 2^240647057 is an apocalyptic number.

It is an amenable number.

240647057 is a deficient number, since it is larger than the sum of its proper divisors (34472239).

240647057 is an equidigital number, since it uses as much as digits as its factorization.

240647057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 240647057 is about 15512.8030026814. The cubic root of 240647057 is about 622.0044879623.

The spelling of 240647057 in words is "two hundred forty million, six hundred forty-seven thousand, fifty-seven".