180384040020 has 24 divisors (see below), whose sum is σ = 505075312224. Its totient is φ = 48102410656.

The previous prime is 180384039991. The next prime is 180384040043. The reversal of 180384040020 is 20040483081.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 180384040020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503200274 + ... + 1503200393.

It is an arithmetic number, because the mean of its divisors is an integer number (21044804676).

Almost surely, 2^180384040020 is an apocalyptic number.

180384040020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180384040020 is an abundant number, since it is smaller than the sum of its proper divisors (324691272204).

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

180384040020 is a wasteful number, since it uses less digits than its factorization.

180384040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006400679 (or 3006400677 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 180384040020 in words is "one hundred eighty billion, three hundred eighty-four million, forty thousand, twenty".