240471057 has 8 divisors (see below), whose sum is σ = 320789920. Its totient is φ = 160233120.

The previous prime is 240471053. The next prime is 240471083. The reversal of 240471057 is 750174042.

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

It is not a de Polignac number, because 240471057 - 2² = 240471053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240471053) 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, 12919 + ... + 25452.

It is an arithmetic number, because the mean of its divisors is an integer number (40098740).

Almost surely, 2^240471057 is an apocalyptic number.

It is an amenable number.

240471057 is a deficient number, since it is larger than the sum of its proper divisors (80318863).

240471057 is a wasteful number, since it uses less digits than its factorization.

240471057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40463.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 240471057 is about 15507.1292314213. The cubic root of 240471057 is about 621.8528142620.

The spelling of 240471057 in words is "two hundred forty million, four hundred seventy-one thousand, fifty-seven".