180530139776 has 512 divisors, whose sum is σ = 473776128000. Its totient is φ = 66731765760.

The previous prime is 180530139773. The next prime is 180530139787. The reversal of 180530139776 is 677931035081.

It is a super-2 number, since 2×180530139776² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180530139773) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1298777915 + ... + 1298778053.

It is an arithmetic number, because the mean of its divisors is an integer number (925344000).

Almost surely, 2^180530139776 is an apocalyptic number.

180530139776 is a gapful number since it is divisible by the number (16) 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 180530139776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236888064000).

180530139776 is an abundant number, since it is smaller than the sum of its proper divisors (293245988224).

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

180530139776 is a wasteful number, since it uses less digits than its factorization.

180530139776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 180530139776 in words is "one hundred eighty billion, five hundred thirty million, one hundred thirty-nine thousand, seven hundred seventy-six".