180849872 has 80 divisors (see below), whose sum is σ = 412568832. Its totient is φ = 75202560.

The previous prime is 180849871. The next prime is 180849883. The reversal of 180849872 is 278948081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180849871) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 703568 + ... + 703824.

Almost surely, 2^180849872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180849872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206284416).

180849872 is an abundant number, since it is smaller than the sum of its proper divisors (231718960).

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

180849872 is a wasteful number, since it uses less digits than its factorization.

180849872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 180849872 is about 13448.0434264617. The cubic root of 180849872 is about 565.5088448520.

The spelling of 180849872 in words is "one hundred eighty million, eight hundred forty-nine thousand, eight hundred seventy-two".