25842944 has 54 divisors (see below), whose sum is σ = 54283530. Its totient is φ = 12264448.

The previous prime is 25842937. The next prime is 25842977. The reversal of 25842944 is 44924852.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 3564544 = 4720^2 + 1888^2 .

Its product of digits (92160) is a multiple of the sum of its prime divisors (90).

It is a junction number, because it is equal to n+sod(n) for n = 25842898 and 25842907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 437987 + ... + 438045.

Almost surely, 2^25842944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25842944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27141765).

25842944 is an abundant number, since it is smaller than the sum of its proper divisors (28440586).

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

25842944 is an frugal number, since it uses more digits than its factorization.

25842944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 90 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 25842944 is about 5083.5955779350. The cubic root of 25842944 is about 295.6518917203.

The spelling of 25842944 in words is "twenty-five million, eight hundred forty-two thousand, nine hundred forty-four".