994817280 has 288 divisors, whose sum is σ = 3357785088. Its totient is φ = 250675200.

The previous prime is 994817269. The next prime is 994817323. The reversal of 994817280 is 82718499.

It is a super-2 number, since 2×994817280² = 1979322841173196800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 7261372 + ... + 7261508.

It is an arithmetic number, because the mean of its divisors is an integer number (11658976).

Almost surely, 2^994817280 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 994817280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678892544).

994817280 is an abundant number, since it is smaller than the sum of its proper divisors (2362967808).

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

994817280 is a wasteful number, since it uses less digits than its factorization.

994817280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 994817280 is about 31540.7241514839. The cubic root of 994817280 is about 998.2694335340.

The spelling of 994817280 in words is "nine hundred ninety-four million, eight hundred seventeen thousand, two hundred eighty".