26397330180 has 288 divisors, whose sum is σ = 83741736960. Its totient is φ = 6202759680.

The previous prime is 26397330151. The next prime is 26397330187. The reversal of 26397330180 is 8103379362.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26397330187) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24832329 + ... + 24833391.

It is an arithmetic number, because the mean of its divisors is an integer number (290769920).

Almost surely, 2^26397330180 is an apocalyptic number.

26397330180 is a gapful number since it is divisible by the number (20) 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 26397330180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41870868480).

26397330180 is an abundant number, since it is smaller than the sum of its proper divisors (57344406780).

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

26397330180 is a wasteful number, since it uses less digits than its factorization.

26397330180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 26397330180 in words is "twenty-six billion, three hundred ninety-seven million, three hundred thirty thousand, one hundred eighty".