25804348416 has 1408 divisors, whose sum is σ = 108663275520. Its totient is φ = 5839257600.

The previous prime is 25804348403. The next prime is 25804348421. The reversal of 25804348416 is 61484340852.

It is a tau number, because it is divible by the number of its divisors (1408).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 832398321 + ... + 832398351.

Almost surely, 2^25804348416 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 25804348416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54331637760).

25804348416 is an abundant number, since it is smaller than the sum of its proper divisors (82858927104).

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

25804348416 is a wasteful number, since it uses less digits than its factorization.

25804348416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 25804348416 in words is "twenty-five billion, eight hundred four million, three hundred forty-eight thousand, four hundred sixteen".