25995480 has 96 divisors (see below), whose sum is σ = 90739440. Its totient is φ = 5940480.

The previous prime is 25995469. The next prime is 25995511. The reversal of 25995480 is 8459952.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3670 + ... + 8090.

Almost surely, 2^25995480 is an apocalyptic number.

25995480 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 25995480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45369720).

25995480 is an abundant number, since it is smaller than the sum of its proper divisors (64743960).

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

25995480 is a wasteful number, since it uses less digits than its factorization.

25995480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 25995480 is about 5098.5762718626. The cubic root of 25995480 is about 296.2324385609.

The spelling of 25995480 in words is "twenty-five million, nine hundred ninety-five thousand, four hundred eighty".