25934940 has 72 divisors (see below), whose sum is σ = 79279200. Its totient is φ = 6862464.

The previous prime is 25934939. The next prime is 25934959. The reversal of 25934940 is 4943952.

It is a super-3 number, since 3×25934940³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a junction number, because it is equal to n+sod(n) for n = 25934895 and 25934904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26337 + ... + 27303.

It is an arithmetic number, because the mean of its divisors is an integer number (1101100).

Almost surely, 2^25934940 is an apocalyptic number.

25934940 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 25934940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39639600).

25934940 is an abundant number, since it is smaller than the sum of its proper divisors (53344260).

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

25934940 is a wasteful number, since it uses less digits than its factorization.

25934940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 25934940 is about 5092.6358597489. The cubic root of 25934940 is about 296.0022978882.

The spelling of 25934940 in words is "twenty-five million, nine hundred thirty-four thousand, nine hundred forty".