180253281232 has 20 divisors (see below), whose sum is σ = 364425112800. Its totient is φ = 86208090848.

The previous prime is 180253281193. The next prime is 180253281269. The reversal of 180253281232 is 232182352081.

It is a junction number, because it is equal to n+sod(n) for n = 180253281191 and 180253281200.

It is a congruent number.

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, 244908982 + ... + 244909717.

It is an arithmetic number, because the mean of its divisors is an integer number (18221255640).

Almost surely, 2^180253281232 is an apocalyptic number.

It is an amenable number.

180253281232 is an abundant number, since it is smaller than the sum of its proper divisors (184171831568).

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

180253281232 is a wasteful number, since it uses less digits than its factorization.

180253281232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489818730 (or 489818724 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 180253281232 in words is "one hundred eighty billion, two hundred fifty-three million, two hundred eighty-one thousand, two hundred thirty-two".