25444960 has 48 divisors (see below), whose sum is σ = 60706800. Its totient is φ = 10077696.

The previous prime is 25444957. The next prime is 25444961. The reversal of 25444960 is 6944452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25444961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16711 + ... + 18169.

It is an arithmetic number, because the mean of its divisors is an integer number (1264725).

Almost surely, 2^25444960 is an apocalyptic number.

25444960 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 25444960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30353400).

25444960 is an abundant number, since it is smaller than the sum of its proper divisors (35261840).

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

25444960 is a wasteful number, since it uses less digits than its factorization.

25444960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 25444960 is about 5044.2997531868. The cubic root of 25444960 is about 294.1263436487.

The spelling of 25444960 in words is "twenty-five million, four hundred forty-four thousand, nine hundred sixty".