25426944 has 132 divisors (see below), whose sum is σ = 76639680. Its totient is φ = 8110080.

The previous prime is 25426931. The next prime is 25426957. The reversal of 25426944 is 44962452.

It is an interprime number because it is at equal distance from previous prime (25426931) and next prime (25426957).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 25426899 and 25426908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285652 + ... + 285740.

Almost surely, 2^25426944 is an apocalyptic number.

25426944 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 25426944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38319840).

25426944 is an abundant number, since it is smaller than the sum of its proper divisors (51212736).

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

25426944 is a wasteful number, since it uses less digits than its factorization.

25426944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 125 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 25426944 is about 5042.5136588809. The cubic root of 25426944 is about 294.0569097107.

The spelling of 25426944 in words is "twenty-five million, four hundred twenty-six thousand, nine hundred forty-four".