25960440 has 128 divisors (see below), whose sum is σ = 86469120. Its totient is φ = 6182400.

The previous prime is 25960409. The next prime is 25960453. The reversal of 25960440 is 4406952.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 25960398 and 25960407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93582 + ... + 93858.

It is an arithmetic number, because the mean of its divisors is an integer number (675540).

Almost surely, 2^25960440 is an apocalyptic number.

25960440 is a gapful number since it is divisible by the number (20) 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 25960440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43234560).

25960440 is an abundant number, since it is smaller than the sum of its proper divisors (60508680).

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

25960440 is a wasteful number, since it uses less digits than its factorization.

25960440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 25960440 is about 5095.1388597368. The cubic root of 25960440 is about 296.0992788480.

The spelling of 25960440 in words is "twenty-five million, nine hundred sixty thousand, four hundred forty".