25699080960 has 648 divisors, whose sum is σ = 105507314640. Its totient is φ = 5756534784.

The previous prime is 25699080959. The next prime is 25699081019. The reversal of 25699080960 is 6908099652.

It is a junction number, because it is equal to n+sod(n) for n = 25699080897 and 25699080906.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29917011 + ... + 29917869.

It is an arithmetic number, because the mean of its divisors is an integer number (162819930).

Almost surely, 2^25699080960 is an apocalyptic number.

25699080960 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 25699080960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52753657320).

25699080960 is an abundant number, since it is smaller than the sum of its proper divisors (79808233680).

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

25699080960 is a wasteful number, since it uses less digits than its factorization.

25699080960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 25699080960 in words is "twenty-five billion, six hundred ninety-nine million, eighty thousand, nine hundred sixty".