180952890 has 64 divisors (see below), whose sum is σ = 451215360. Its totient is φ = 46393920.

The previous prime is 180952847. The next prime is 180952909. The reversal of 180952890 is 98259081.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165927 + ... + 167013.

It is an arithmetic number, because the mean of its divisors is an integer number (7050240).

Almost surely, 2^180952890 is an apocalyptic number.

180952890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 180952890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225607680).

180952890 is an abundant number, since it is smaller than the sum of its proper divisors (270262470).

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

180952890 is a wasteful number, since it uses less digits than its factorization.

180952890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 180952890 is about 13451.8731037726. The cubic root of 180952890 is about 565.6162019123.

The spelling of 180952890 in words is "one hundred eighty million, nine hundred fifty-two thousand, eight hundred ninety".