25426044 has 72 divisors (see below), whose sum is σ = 74023040. Its totient is φ = 7208352.

The previous prime is 25426039. The next prime is 25426057. The reversal of 25426044 is 44062452.

25426044 is a `hidden beast` number, since 2 + 54 + 2 + 604 + 4 = 666.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 25425999 and 25426017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40767 + ... + 41385.

Almost surely, 2^25426044 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 25426044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37011520).

25426044 is an abundant number, since it is smaller than the sum of its proper divisors (48596996).

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

25426044 is a wasteful number, since it uses less digits than its factorization.

25426044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 25426044 is about 5042.4244168852. The cubic root of 25426044 is about 294.0534402370.

Adding to 25426044 its reverse (44062452), we get a palindrome (69488496).

The spelling of 25426044 in words is "twenty-five million, four hundred twenty-six thousand, forty-four".