25916408760 has 256 divisors, whose sum is σ = 88547904000. Its totient is φ = 6012057600.

The previous prime is 25916408741. The next prime is 25916408773. The reversal of 25916408760 is 6780461952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2974891 + ... + 2983589.

It is an arithmetic number, because the mean of its divisors is an integer number (345890250).

Almost surely, 2^25916408760 is an apocalyptic number.

25916408760 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 25916408760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44273952000).

25916408760 is an abundant number, since it is smaller than the sum of its proper divisors (62631495240).

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

25916408760 is a wasteful number, since it uses less digits than its factorization.

25916408760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822 (or 8818 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 25916408760 in words is "twenty-five billion, nine hundred sixteen million, four hundred eight thousand, seven hundred sixty".