180388626432 has 136 divisors (see below), whose sum is σ = 549755813856. Its totient is φ = 51539607552.

The previous prime is 180388626421. The next prime is 180388626437. The reversal of 180388626432 is 234626883081.

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (180388626437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25769803773 + ... + 25769803779.

Almost surely, 2^180388626432 is an apocalyptic number.

180388626432 is a gapful number since it is divisible by the number (12) 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 180388626432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274877906928).

180388626432 is an abundant number, since it is smaller than the sum of its proper divisors (369367187424).

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

180388626432 is an frugal number, since it uses more digits than its factorization.

180388626432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 180388626432 in words is "one hundred eighty billion, three hundred eighty-eight million, six hundred twenty-six thousand, four hundred thirty-two".