180031452500720 has 40 divisors (see below), whose sum is σ = 422717415469920. Its totient is φ = 71299585145600.

The previous prime is 180031452500693. The next prime is 180031452500803. The reversal of 180031452500720 is 27005254130081.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×180031452500720² (a number of 29 digits) contains 22 as substring.

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, 11140552100 + ... + 11140568259.

It is an arithmetic number, because the mean of its divisors is an integer number (10567935386748).

Almost surely, 2^{180031452500720} is an apocalyptic number.

180031452500720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180031452500720 is an abundant number, since it is smaller than the sum of its proper divisors (242685962969200).

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

180031452500720 is a wasteful number, since it uses less digits than its factorization.

180031452500720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22281120473 (or 22281120467 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 180031452500720 in words is "one hundred eighty trillion, thirty-one billion, four hundred fifty-two million, five hundred thousand, seven hundred twenty".