25700938000 has 80 divisors (see below), whose sum is σ = 62274835584. Its totient is φ = 10258876800.

The previous prime is 25700937979. The next prime is 25700938013. The reversal of 25700938000 is 83900752.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960807 + ... + 987193.

Almost surely, 2^25700938000 is an apocalyptic number.

25700938000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25700938000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31137417792).

25700938000 is an abundant number, since it is smaller than the sum of its proper divisors (36573897584).

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

25700938000 is a wasteful number, since it uses less digits than its factorization.

25700938000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26897 (or 26881 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 25700938000 in words is "twenty-five billion, seven hundred million, nine hundred thirty-eight thousand".