25718705000 has 80 divisors (see below), whose sum is σ = 63803779380. Its totient is φ = 9682304000.

The previous prime is 25718704997. The next prime is 25718705021. The reversal of 25718705000 is 50781752.

It can be written as a sum of positive squares in 10 ways, for example, as 581870884 + 25136834116 = 24122^2 + 158546^2 .

It is a super-2 number, since 2×25718705000² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66287 + ... + 236286.

Almost surely, 2^25718705000 is an apocalyptic number.

25718705000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25718705000 is an abundant number, since it is smaller than the sum of its proper divisors (38085074380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25718705000 is a wasteful number, since it uses less digits than its factorization.

25718705000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302616 (or 302597 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 25718705000 in words is "twenty-five billion, seven hundred eighteen million, seven hundred five thousand".