25750880 has 48 divisors (see below), whose sum is σ = 61190640. Its totient is φ = 10240512.

The previous prime is 25750849. The next prime is 25750883. The reversal of 25750880 is 8805752.

It is a self number, because there is not a number n which added to its sum of digits gives 25750880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25750883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35966 + ... + 36674.

It is an arithmetic number, because the mean of its divisors is an integer number (1274805).

Almost surely, 2^25750880 is an apocalyptic number.

25750880 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 25750880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30595320).

25750880 is an abundant number, since it is smaller than the sum of its proper divisors (35439760).

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

25750880 is a wasteful number, since it uses less digits than its factorization.

25750880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 25750880 is about 5074.5324907818. The cubic root of 25750880 is about 295.3003930443.

The spelling of 25750880 in words is "twenty-five million, seven hundred fifty thousand, eight hundred eighty".