1180399677444 has 135 divisors (see below), whose sum is σ = 3342145977093. Its totient is φ = 363121675488.

The previous prime is 1180399677311. The next prime is 1180399677449. The reversal of 1180399677444 is 4447769930811.

The square root of 1180399677444 is 1086462.

It is a perfect power (a square), and thus also a powerful number.

1180399677444 is a `hidden beast` number, since 1 + 1 + 8 + 0 + 39 + 96 + 77 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 174615336900 + 1005784340544 = 417870^2 + 1002888^2 .

It is not an unprimeable number, because it can be changed into a prime (1180399677449) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 254229787 + ... + 254234429.

Almost surely, 2^{1180399677444} is an apocalyptic number.

1180399677444 is the 1086462-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1180399677444

1180399677444 is an abundant number, since it is smaller than the sum of its proper divisors (2161746299649).

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

1180399677444 is an frugal number, since it uses more digits than its factorization.

1180399677444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328 (or 4661 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 1180399677444 in words is "one trillion, one hundred eighty billion, three hundred ninety-nine million, six hundred seventy-seven thousand, four hundred forty-four".