180244530 has 48 divisors (see below), whose sum is σ = 478617984. Its totient is φ = 47041440.

The previous prime is 180244529. The next prime is 180244553. The reversal of 180244530 is 35442081.

It is a junction number, because it is equal to n+sod(n) for n = 180244494 and 180244503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17076 + ... + 25535.

It is an arithmetic number, because the mean of its divisors is an integer number (9971208).

Almost surely, 2^180244530 is an apocalyptic number.

180244530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180244530 is an abundant number, since it is smaller than the sum of its proper divisors (298373454).

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

180244530 is a wasteful number, since it uses less digits than its factorization.

180244530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42671 (or 42668 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 180244530 is about 13425.5178671067. The cubic root of 180244530 is about 564.8771811248.

The spelling of 180244530 in words is "one hundred eighty million, two hundred forty-four thousand, five hundred thirty".