180735408234 has 48 divisors (see below), whose sum is σ = 414974369160. Its totient is φ = 56653977600.

The previous prime is 180735408223. The next prime is 180735408241. The reversal of 180735408234 is 432804537081.

180735408234 is a `hidden beast` number, since 1 + 8 + 0 + 7 + 3 + 5 + 408 + 234 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67728501009 + 113006907225 = 260247^2 + 336165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 180735408234.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121612 + ... + 613400.

Almost surely, 2^180735408234 is an apocalyptic number.

180735408234 is an abundant number, since it is smaller than the sum of its proper divisors (234238960926).

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

180735408234 is a wasteful number, since it uses less digits than its factorization.

180735408234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493015 (or 493012 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 180735408234 in words is "one hundred eighty billion, seven hundred thirty-five million, four hundred eight thousand, two hundred thirty-four".