25454044 has 48 divisors (see below), whose sum is σ = 56077056. Its totient is φ = 9902640.

The previous prime is 25454021. The next prime is 25454057. The reversal of 25454044 is 44045452.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36927 + ... + 37609.

It is an arithmetic number, because the mean of its divisors is an integer number (1168272).

Almost surely, 2^25454044 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 25454044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28038528).

25454044 is an abundant number, since it is smaller than the sum of its proper divisors (30623012).

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

25454044 is a wasteful number, since it uses less digits than its factorization.

25454044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 25454044 is about 5045.2000951399. The cubic root of 25454044 is about 294.1613410944.

Adding to 25454044 its reverse (44045452), we get a palindrome (69499496).

The spelling of 25454044 in words is "twenty-five million, four hundred fifty-four thousand, forty-four".