180534387120 has 160 divisors (see below), whose sum is σ = 580365806592. Its totient is φ = 46386349056.

The previous prime is 180534387119. The next prime is 180534387139. The reversal of 180534387120 is 21783435081.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 815949 + ... + 1013331.

Almost surely, 2^180534387120 is an apocalyptic number.

180534387120 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 180534387120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290182903296).

180534387120 is an abundant number, since it is smaller than the sum of its proper divisors (399831419472).

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

180534387120 is a wasteful number, since it uses less digits than its factorization.

180534387120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197539 (or 197533 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 180534387120 in words is "one hundred eighty billion, five hundred thirty-four million, three hundred eighty-seven thousand, one hundred twenty".