25620360 has 128 divisors (see below), whose sum is σ = 85795200. Its totient is φ = 6082560.

The previous prime is 25620349. The next prime is 25620383. The reversal of 25620360 is 6302652.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 25620360.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38430 + ... + 39090.

It is an arithmetic number, because the mean of its divisors is an integer number (670275).

Almost surely, 2^25620360 is an apocalyptic number.

25620360 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 25620360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42897600).

25620360 is an abundant number, since it is smaller than the sum of its proper divisors (60174840).

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

25620360 is a wasteful number, since it uses less digits than its factorization.

25620360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 25620360 is about 5061.6558555477. The cubic root of 25620360 is about 294.8006313552.

The spelling of 25620360 in words is "twenty-five million, six hundred twenty thousand, three hundred sixty".