180738402672 has 40 divisors (see below), whose sum is σ = 467333298576. Its totient is φ = 60191197696.

The previous prime is 180738402661. The next prime is 180738402707. The reversal of 180738402672 is 276204837081.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1663563 + ... + 1768874.

Almost surely, 2^180738402672 is an apocalyptic number.

180738402672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180738402672 is an abundant number, since it is smaller than the sum of its proper divisors (286594895904).

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

180738402672 is a wasteful number, since it uses less digits than its factorization.

180738402672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433545 (or 3433539 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 180738402672 in words is "one hundred eighty billion, seven hundred thirty-eight million, four hundred two thousand, six hundred seventy-two".