25904095488 has 432 divisors, whose sum is σ = 81559033920. Its totient is φ = 8188895232.

The previous prime is 25904095471. The next prime is 25904095499. The reversal of 25904095488 is 88459040952.

It is a happy number.

25904095488 is a `hidden beast` number, since 2 + 5 + 90 + 4 + 0 + 9 + 548 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149734570 + ... + 149734742.

It is an arithmetic number, because the mean of its divisors is an integer number (188794060).

Almost surely, 2^25904095488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25904095488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40779516960).

25904095488 is an abundant number, since it is smaller than the sum of its proper divisors (55654938432).

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

25904095488 is an equidigital number, since it uses as much as digits as its factorization.

25904095488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 25904095488 in words is "twenty-five billion, nine hundred four million, ninety-five thousand, four hundred eighty-eight".