180868950 has 240 divisors, whose sum is σ = 554187744. Its totient is φ = 43545600.

The previous prime is 180868943. The next prime is 180868951. The reversal of 180868950 is 59868081.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 180868896 and 180868905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180868951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2547415 + ... + 2547485.

Almost surely, 2^180868950 is an apocalyptic number.

180868950 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 180868950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277093872).

180868950 is an abundant number, since it is smaller than the sum of its proper divisors (373318794).

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

180868950 is a wasteful number, since it uses less digits than its factorization.

180868950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 180868950 is about 13448.7527302721. The cubic root of 180868950 is about 565.5287294820.

The spelling of 180868950 in words is "one hundred eighty million, eight hundred sixty-eight thousand, nine hundred fifty".