252640498017 has 16 divisors (see below), whose sum is σ = 359674242048. Its totient is φ = 157357477200.

The previous prime is 252640498003. The next prime is 252640498043. The reversal of 252640498017 is 710894046252.

It is not a de Polignac number, because 252640498017 - 2⁶ = 252640497953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252640498057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42572109 + ... + 42578042.

It is an arithmetic number, because the mean of its divisors is an integer number (22479640128).

Almost surely, 2^252640498017 is an apocalyptic number.

It is an amenable number.

252640498017 is a deficient number, since it is larger than the sum of its proper divisors (107033744031).

252640498017 is a wasteful number, since it uses less digits than its factorization.

252640498017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85150220.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 252640498017 in words is "two hundred fifty-two billion, six hundred forty million, four hundred ninety-eight thousand, seventeen".