180422641836 has 48 divisors (see below), whose sum is σ = 468584642400. Its totient is φ = 60035164416.

The previous prime is 180422641787. The next prime is 180422641853. The reversal of 180422641836 is 638146224081.

180422641836 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 226 + 418 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 180422641791 and 180422641800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406545 + ... + 1529448.

It is an arithmetic number, because the mean of its divisors is an integer number (9762180050).

Almost surely, 2^180422641836 is an apocalyptic number.

It is an amenable number.

180422641836 is an abundant number, since it is smaller than the sum of its proper divisors (288162000564).

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

180422641836 is a wasteful number, since it uses less digits than its factorization.

180422641836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936575 (or 2936567 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 180422641836 in words is "one hundred eighty billion, four hundred twenty-two million, six hundred forty-one thousand, eight hundred thirty-six".