25466280 has 192 divisors, whose sum is σ = 91601280. Its totient is φ = 5644800.

The previous prime is 25466257. The next prime is 25466281. The reversal of 25466280 is 8266452.

It is not an unprimeable number, because it can be changed into a prime (25466281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358645 + ... + 358715.

It is an arithmetic number, because the mean of its divisors is an integer number (477090).

Almost surely, 2^25466280 is an apocalyptic number.

25466280 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 25466280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45800640).

25466280 is an abundant number, since it is smaller than the sum of its proper divisors (66135000).

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

25466280 is a wasteful number, since it uses less digits than its factorization.

25466280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 25466280 is about 5046.4125871752. The cubic root of 25466280 is about 294.2084689244.

The spelling of 25466280 in words is "twenty-five million, four hundred sixty-six thousand, two hundred eighty".