180377227368 has 144 divisors (see below), whose sum is σ = 547233043500. Its totient is φ = 53586763776.

The previous prime is 180377227367. The next prime is 180377227399. The reversal of 180377227368 is 863722773081.

It is a happy number.

180377227368 is a `hidden beast` number, since 18 + 0 + 377 + 227 + 36 + 8 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 76398065604 + 103979161764 = 276402^2 + 322458^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (180377227367) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 97288 + ... + 608456.

Almost surely, 2^180377227368 is an apocalyptic number.

180377227368 is a gapful number since it is divisible by the number (18) 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 180377227368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273616521750).

180377227368 is an abundant number, since it is smaller than the sum of its proper divisors (366855816132).

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

180377227368 is a wasteful number, since it uses less digits than its factorization.

180377227368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511236 (or 511216 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 180377227368 in words is "one hundred eighty billion, three hundred seventy-seven million, two hundred twenty-seven thousand, three hundred sixty-eight".