180433504040 has 16 divisors (see below), whose sum is σ = 405975384180. Its totient is φ = 72173401600.

The previous prime is 180433503989. The next prime is 180433504073. The reversal of 180433504040 is 40405334081.

It can be written as a sum of positive squares in 2 ways, for example, as 178035051364 + 2398452676 = 421942^2 + 48974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 180433503988 and 180433504006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255418761 + ... + 2255418840.

Almost surely, 2^180433504040 is an apocalyptic number.

180433504040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180433504040 is an abundant number, since it is smaller than the sum of its proper divisors (225541880140).

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

180433504040 is a wasteful number, since it uses less digits than its factorization.

180433504040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510837612 (or 4510837608 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 180433504040 in words is "one hundred eighty billion, four hundred thirty-three million, five hundred four thousand, forty".