25204330000 has 50 divisors (see below), whose sum is σ = 61022227574. Its totient is φ = 10081728000.

The previous prime is 25204329989. The next prime is 25204330003. The reversal of 25204330000 is 3340252.

It can be written as a sum of positive squares in 5 ways, for example, as 19100345616 + 6103984384 = 138204^2 + 78128^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a self number, because there is not a number n which added to its sum of digits gives 25204330000.

It is not an unprimeable number, because it can be changed into a prime (25204330003) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 1250217 + ... + 1270216.

Almost surely, 2^25204330000 is an apocalyptic number.

25204330000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25204330000 is an abundant number, since it is smaller than the sum of its proper divisors (35817897574).

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

25204330000 is an equidigital number, since it uses as much as digits as its factorization.

25204330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520461 (or 2520440 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

Adding to 25204330000 its reverse (3340252), we get a palindrome (25207670252).

The spelling of 25204330000 in words is "twenty-five billion, two hundred four million, three hundred thirty thousand".