80944200 has 144 divisors (see below), whose sum is σ = 274418820. Its totient is φ = 21381120.

The previous prime is 80944183. The next prime is 80944207. The reversal of 80944200 is 244908.

It can be written as a sum of positive squares in 6 ways, for example, as 9474084 + 71470116 = 3078^2 + 8454^2 .

It is not an unprimeable number, because it can be changed into a prime (80944207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 347284 + ... + 347516.

Almost surely, 2^80944200 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 80944200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137209410).

80944200 is an abundant number, since it is smaller than the sum of its proper divisors (193474620).

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

80944200 is a wasteful number, since it uses less digits than its factorization.

80944200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 80944200 is about 8996.8994659271. The cubic root of 80944200 is about 432.5754932982.

The spelling of 80944200 in words is "eighty million, nine hundred forty-four thousand, two hundred".