25440282 has 24 divisors (see below), whose sum is σ = 62995296. Its totient is φ = 7268616.

The previous prime is 25440271. The next prime is 25440299. The reversal of 25440282 is 28204452.

It is a happy number.

25440282 is a `hidden beast` number, since 254 + 402 + 8 + 2 = 666.

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, 100828 + ... + 101079.

It is an arithmetic number, because the mean of its divisors is an integer number (2624804).

Almost surely, 2^25440282 is an apocalyptic number.

25440282 is an abundant number, since it is smaller than the sum of its proper divisors (37555014).

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

25440282 is a wasteful number, since it uses less digits than its factorization.

25440282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201922 (or 201919 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 25440282 is about 5043.8360401583. The cubic root of 25440282 is about 294.1083177166.

The spelling of 25440282 in words is "twenty-five million, four hundred forty thousand, two hundred eighty-two".