25602480 has 140 divisors (see below), whose sum is σ = 89451120. Its totient is φ = 6811776.

The previous prime is 25602457. The next prime is 25602517. The reversal of 25602480 is 8420652.

25602480 is a `hidden beast` number, since 2 + 560 + 24 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 27 ways as a sum of consecutive naturals, for example, 58101 + ... + 58539.

Almost surely, 2^25602480 is an apocalyptic number.

25602480 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 25602480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44725560).

25602480 is an abundant number, since it is smaller than the sum of its proper divisors (63848640).

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

25602480 is an equidigital number, since it uses as much as digits as its factorization.

25602480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 25602480 is about 5059.8893268529. The cubic root of 25602480 is about 294.7320366653.

The spelling of 25602480 in words is "twenty-five million, six hundred two thousand, four hundred eighty".