25042944 has 56 divisors (see below), whose sum is σ = 66842640. Its totient is φ = 8339456.

The previous prime is 25042943. The next prime is 25042951. The reversal of 25042944 is 44924052.

It is not an unprimeable number, because it can be changed into a prime (25042943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24067 + ... + 25085.

Almost surely, 2^25042944 is an apocalyptic number.

25042944 is a gapful number since it is divisible by the number (24) 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 25042944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33421320).

25042944 is an abundant number, since it is smaller than the sum of its proper divisors (41799696).

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

25042944 is an equidigital number, since it uses as much as digits as its factorization.

25042944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 25042944 is about 5004.2925573951. The cubic root of 25042944 is about 292.5691034041.

Adding to 25042944 its reverse (44924052), we get a palindrome (69966996).

The spelling of 25042944 in words is "twenty-five million, forty-two thousand, nine hundred forty-four".