180323840897880 has 1024 divisors, whose sum is σ = 597431697408000. Its totient is φ = 43404953518080.

The previous prime is 180323840897867. The next prime is 180323840897887. The reversal of 180323840897880 is 88798048323081.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180323840897887) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 204217259919 + ... + 204217260801.

It is an arithmetic number, because the mean of its divisors is an integer number (583429392000).

Almost surely, 2^{180323840897880} is an apocalyptic number.

180323840897880 is a gapful number since it is divisible by the number (10) 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 180323840897880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298715848704000).

180323840897880 is an abundant number, since it is smaller than the sum of its proper divisors (417107856510120).

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

180323840897880 is a wasteful number, since it uses less digits than its factorization.

180323840897880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 69.

The spelling of 180323840897880 in words is "one hundred eighty trillion, three hundred twenty-three billion, eight hundred forty million, eight hundred ninety-seven thousand, eight hundred eighty".