25492707968 has 256 divisors, whose sum is σ = 66387148800. Its totient is φ = 9468555264.

The previous prime is 25492707937. The next prime is 25492707983. The reversal of 25492707968 is 86970729452.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28106171 + ... + 28107077.

It is an arithmetic number, because the mean of its divisors is an integer number (259324800).

Almost surely, 2^25492707968 is an apocalyptic number.

25492707968 is a gapful number since it is divisible by the number (28) 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 25492707968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33193574400).

25492707968 is an abundant number, since it is smaller than the sum of its proper divisors (40894440832).

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

25492707968 is a wasteful number, since it uses less digits than its factorization.

25492707968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 25492707968 in words is "twenty-five billion, four hundred ninety-two million, seven hundred seven thousand, nine hundred sixty-eight".