25995940 has 24 divisors (see below), whose sum is σ = 55363392. Its totient is φ = 10251360.

The previous prime is 25995929. The next prime is 25995953. The reversal of 25995940 is 4959952.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7734 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (2306808).

Almost surely, 2^25995940 is an apocalyptic number.

25995940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25995940 is an abundant number, since it is smaller than the sum of its proper divisors (29367452).

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

25995940 is a wasteful number, since it uses less digits than its factorization.

25995940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18387 (or 18385 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 25995940 is about 5098.6213822954. The cubic root of 25995940 is about 296.2341858662.

The spelling of 25995940 in words is "twenty-five million, nine hundred ninety-five thousand, nine hundred forty".