240425077625257 has 4 divisors (see below), whose sum is σ = 274771517286016. Its totient is φ = 206078637964500.

The previous prime is 240425077625231. The next prime is 240425077625281. The reversal of 240425077625257 is 752526770524042.

240425077625257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-240425077625257 is a prime.

It is a super-2 number, since 2×240425077625257² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240425077628257) 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, 17173219830369 + ... + 17173219830382.

It is an arithmetic number, because the mean of its divisors is an integer number (68692879321504).

Almost surely, 2^{240425077625257} is an apocalyptic number.

It is an amenable number.

240425077625257 is a deficient number, since it is larger than the sum of its proper divisors (34346439660759).

240425077625257 is an equidigital number, since it uses as much as digits as its factorization.

240425077625257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34346439660758.

The product of its (nonzero) digits is 65856000, while the sum is 58.

The spelling of 240425077625257 in words is "two hundred forty trillion, four hundred twenty-five billion, seventy-seven million, six hundred twenty-five thousand, two hundred fifty-seven".