25956940 has 12 divisors (see below), whose sum is σ = 54509616. Its totient is φ = 10382768.

The previous prime is 25956929. The next prime is 25956947. The reversal of 25956940 is 4965952.

It is a junction number, because it is equal to n+sod(n) for n = 25956893 and 25956902.

It is not an unprimeable number, because it can be changed into a prime (25956947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648904 + ... + 648943.

It is an arithmetic number, because the mean of its divisors is an integer number (4542468).

Almost surely, 2^25956940 is an apocalyptic number.

25956940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25956940 is an abundant number, since it is smaller than the sum of its proper divisors (28552676).

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

25956940 is a wasteful number, since it uses less digits than its factorization.

25956940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297856 (or 1297854 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 25956940 is about 5094.7953835262. The cubic root of 25956940 is about 296.0859714971.

It can be divided in two parts, 25956 and 940, that added together give a square (26896 = 164²).

The spelling of 25956940 in words is "twenty-five million, nine hundred fifty-six thousand, nine hundred forty".