25040964 has 48 divisors (see below), whose sum is σ = 64404032. Its totient is φ = 7523712.

The previous prime is 25040933. The next prime is 25040969. The reversal of 25040964 is 46904052.

It is not an unprimeable number, because it can be changed into a prime (25040969) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4842 + ... + 8574.

Almost surely, 2^25040964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25040964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32202016).

25040964 is an abundant number, since it is smaller than the sum of its proper divisors (39363068).

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

25040964 is a wasteful number, since it uses less digits than its factorization.

25040964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796 (or 3794 counting only the distinct ones).

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

The square root of 25040964 is about 5004.0947233241. The cubic root of 25040964 is about 292.5613926215.

It can be divided in two parts, 250 and 40964, that added together give a palindrome (41214).

The spelling of 25040964 in words is "twenty-five million, forty thousand, nine hundred sixty-four".