180413720 has 16 divisors (see below), whose sum is σ = 405930960. Its totient is φ = 72165472.

The previous prime is 180413719. The next prime is 180413729. The reversal of 180413720 is 27314081.

It is a super-2 number, since 2×180413720² = 65098220728476800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180413720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180413729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255132 + ... + 2255211.

It is an arithmetic number, because the mean of its divisors is an integer number (25370685).

Almost surely, 2^180413720 is an apocalyptic number.

180413720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180413720 is an abundant number, since it is smaller than the sum of its proper divisors (225517240).

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

180413720 is a wasteful number, since it uses less digits than its factorization.

180413720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510354 (or 4510350 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 180413720 is about 13431.8174496231. The cubic root of 180413720 is about 565.0538701344.

The spelling of 180413720 in words is "one hundred eighty million, four hundred thirteen thousand, seven hundred twenty".