994446180 has 480 divisors, whose sum is σ = 3952771200. Its totient is φ = 206260992.

The previous prime is 994446169. The next prime is 994446181. The reversal of 994446180 is 81644499.

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

It is not an unprimeable number, because it can be changed into a prime (994446181) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 16854991 + ... + 16855049.

It is an arithmetic number, because the mean of its divisors is an integer number (8234940).

Almost surely, 2^994446180 is an apocalyptic number.

994446180 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994446180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976385600).

994446180 is an abundant number, since it is smaller than the sum of its proper divisors (2958325020).

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

994446180 is a wasteful number, since it uses less digits than its factorization.

994446180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 994446180 is about 31534.8407321172. The cubic root of 994446180 is about 998.1452888399.

The spelling of 994446180 in words is "nine hundred ninety-four million, four hundred forty-six thousand, one hundred eighty".