25966944 has 36 divisors (see below), whose sum is σ = 73844316. Its totient is φ = 8655552.

The previous prime is 25966937. The next prime is 25966957. The reversal of 25966944 is 44966952.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 25966944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44794 + ... + 45369.

It is an arithmetic number, because the mean of its divisors is an integer number (2051231).

Almost surely, 2^25966944 is an apocalyptic number.

25966944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25966944 is an abundant number, since it is smaller than the sum of its proper divisors (47877372).

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

25966944 is a wasteful number, since it uses less digits than its factorization.

25966944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90179 (or 90168 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 25966944 is about 5095.7770751869. Note that the first 3 decimals coincide. The cubic root of 25966944 is about 296.1240045319.

The spelling of 25966944 in words is "twenty-five million, nine hundred sixty-six thousand, nine hundred forty-four".