25380800 has 84 divisors (see below), whose sum is σ = 64724280. Its totient is φ = 9784320.

The previous prime is 25380791. The next prime is 25380811. The reversal of 25380800 is 808352.

It is a self number, because there is not a number n which added to its sum of digits gives 25380800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46127 + ... + 46673.

Almost surely, 2^25380800 is an apocalyptic number.

25380800 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 25380800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32362140).

25380800 is an abundant number, since it is smaller than the sum of its proper divisors (39343480).

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

25380800 is a wasteful number, since it uses less digits than its factorization.

25380800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 25380800 is about 5037.9360853429. The cubic root of 25380800 is about 293.8789203241.

The spelling of 25380800 in words is "twenty-five million, three hundred eighty thousand, eight hundred".