180249492 has 24 divisors (see below), whose sum is σ = 422076256. Its totient is φ = 59869728.

The previous prime is 180249473. The next prime is 180249569. The reversal of 180249492 is 294942081.

It is a self number, because there is not a number n which added to its sum of digits gives 180249492.

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, 23143 + ... + 29934.

Almost surely, 2^180249492 is an apocalyptic number.

180249492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180249492 is an abundant number, since it is smaller than the sum of its proper divisors (241826764).

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

180249492 is a wasteful number, since it uses less digits than its factorization.

180249492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53367 (or 53365 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 180249492 is about 13425.7026631756. The cubic root of 180249492 is about 564.8823646290.

The spelling of 180249492 in words is "one hundred eighty million, two hundred forty-nine thousand, four hundred ninety-two".