25940430 has 24 divisors (see below), whose sum is σ = 67445352. Its totient is φ = 6917424.

The previous prime is 25940429. The next prime is 25940437. The reversal of 25940430 is 3404952.

25940430 is a `hidden beast` number, since 259 + 404 + 3 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25940394 and 25940403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25940437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144024 + ... + 144203.

It is an arithmetic number, because the mean of its divisors is an integer number (2810223).

Almost surely, 2^25940430 is an apocalyptic number.

25940430 is an abundant number, since it is smaller than the sum of its proper divisors (41504922).

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

25940430 is a wasteful number, since it uses less digits than its factorization.

25940430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288240 (or 288237 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25940430 is about 5093.1748448291. The cubic root of 25940430 is about 296.0231826864.

The spelling of 25940430 in words is "twenty-five million, nine hundred forty thousand, four hundred thirty".