25940046 has 16 divisors (see below), whose sum is σ = 56596608. Its totient is φ = 7860600.

The previous prime is 25940027. The next prime is 25940053. The reversal of 25940046 is 64004952.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25939995 and 25940022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196450 + ... + 196581.

It is an arithmetic number, because the mean of its divisors is an integer number (3537288).

Almost surely, 2^25940046 is an apocalyptic number.

25940046 is an abundant number, since it is smaller than the sum of its proper divisors (30656562).

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

25940046 is a wasteful number, since it uses less digits than its factorization.

25940046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393047.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 25940046 is about 5093.1371471815. The cubic root of 25940046 is about 296.0217219876.

Adding to 25940046 its reverse (64004952), we get a palindrome (89944998).

The spelling of 25940046 in words is "twenty-five million, nine hundred forty thousand, forty-six".