180439514456 has 8 divisors (see below), whose sum is σ = 338324089620. Its totient is φ = 90219757224.

The previous prime is 180439514429. The next prime is 180439514459. The reversal of 180439514456 is 654415934081.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180439514459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277469646 + ... + 11277469661.

Almost surely, 2^180439514456 is an apocalyptic number.

It is an amenable number.

180439514456 is a deficient number, since it is larger than the sum of its proper divisors (157884575164).

180439514456 is a wasteful number, since it uses less digits than its factorization.

180439514456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22554939313 (or 22554939309 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 180439514456 in words is "one hundred eighty billion, four hundred thirty-nine million, five hundred fourteen thousand, four hundred fifty-six".