25984804320 has 384 divisors, whose sum is σ = 96279321600. Its totient is φ = 6527195136.

The previous prime is 25984804309. The next prime is 25984804343. The reversal of 25984804320 is 2340848952.

25984804320 is a `hidden beast` number, since 25 + 98 + 480 + 43 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 16168957 + ... + 16170563.

It is an arithmetic number, because the mean of its divisors is an integer number (250727400).

Almost surely, 2^25984804320 is an apocalyptic number.

25984804320 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 25984804320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48139660800).

25984804320 is an abundant number, since it is smaller than the sum of its proper divisors (70294517280).

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

25984804320 is a wasteful number, since it uses less digits than its factorization.

25984804320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 25984804320 in words is "twenty-five billion, nine hundred eighty-four million, eight hundred four thousand, three hundred twenty".