25604041232 has 160 divisors (see below), whose sum is σ = 64682717184. Its totient is φ = 9520473600.

The previous prime is 25604041219. The next prime is 25604041271. The reversal of 25604041232 is 23214040652.

It is a junction number, because it is equal to n+sod(n) for n = 25604041195 and 25604041204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18729413 + ... + 18730779.

Almost surely, 2^25604041232 is an apocalyptic number.

25604041232 is a gapful number since it is divisible by the number (22) 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 25604041232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32341358592).

25604041232 is an abundant number, since it is smaller than the sum of its proper divisors (39078675952).

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

25604041232 is a wasteful number, since it uses less digits than its factorization.

25604041232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 25604041232 its reverse (23214040652), we get a palindrome (48818081884).

The spelling of 25604041232 in words is "twenty-five billion, six hundred four million, forty-one thousand, two hundred thirty-two".