180619872 has 48 divisors (see below), whose sum is σ = 484227072. Its totient is φ = 58924160.

The previous prime is 180619861. The next prime is 180619891. The reversal of 180619872 is 278916081.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×180619872² = 65247076322592768, which 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, 15504 + ... + 24527.

It is an arithmetic number, because the mean of its divisors is an integer number (10088064).

Almost surely, 2^180619872 is an apocalyptic number.

180619872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180619872 is an abundant number, since it is smaller than the sum of its proper divisors (303607200).

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

180619872 is a wasteful number, since it uses less digits than its factorization.

180619872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40091 (or 40083 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 180619872 is about 13439.4892760105. The cubic root of 180619872 is about 565.2690101750.

The spelling of 180619872 in words is "one hundred eighty million, six hundred nineteen thousand, eight hundred seventy-two".