25200661304 has 64 divisors (see below), whose sum is σ = 58755076800. Its totient is φ = 9866686464.

The previous prime is 25200661279. The next prime is 25200661307. The reversal of 25200661304 is 40316600252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25200661307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107819 + ... + 249050.

It is an arithmetic number, because the mean of its divisors is an integer number (918048075).

Almost surely, 2^25200661304 is an apocalyptic number.

It is an amenable number.

25200661304 is an abundant number, since it is smaller than the sum of its proper divisors (33554415496).

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

25200661304 is a wasteful number, since it uses less digits than its factorization.

25200661304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356992 (or 356988 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 25200661304 in words is "twenty-five billion, two hundred million, six hundred sixty-one thousand, three hundred four".