994444800 has 480 divisors, whose sum is σ = 3653337600. Its totient is φ = 237404160.

The previous prime is 994444799. The next prime is 994444831. The reversal of 994444800 is 8444499.

It is a tau number, because it is divible by the number of its divisors (480).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21158377 + ... + 21158423.

It is an arithmetic number, because the mean of its divisors is an integer number (7611120).

Almost surely, 2^994444800 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 994444800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826668800).

994444800 is an abundant number, since it is smaller than the sum of its proper divisors (2658892800).

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

994444800 is a wasteful number, since it uses less digits than its factorization.

994444800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 994444800 is about 31534.8188515488. The cubic root of 994444800 is about 998.1448271286.

The spelling of 994444800 in words is "nine hundred ninety-four million, four hundred forty-four thousand, eight hundred".