25998360180 has 96 divisors (see below), whose sum is σ = 80924003328. Its totient is φ = 6193152000.

The previous prime is 25998360173. The next prime is 25998360181. The reversal of 25998360180 is 8106389952.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25998360181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513421 + ... + 561780.

It is an arithmetic number, because the mean of its divisors is an integer number (842958368).

Almost surely, 2^25998360180 is an apocalyptic number.

25998360180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25998360180 is an abundant number, since it is smaller than the sum of its proper divisors (54925643148).

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

25998360180 is a wasteful number, since it uses less digits than its factorization.

25998360180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075257 (or 1075255 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 25998360180 in words is "twenty-five billion, nine hundred ninety-eight million, three hundred sixty thousand, one hundred eighty".