994049280 has 432 divisors, whose sum is σ = 4110402240. Its totient is φ = 226824192.

The previous prime is 994049267. The next prime is 994049281. The reversal of 994049280 is 82940499.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994049281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1693147 + ... + 1693733.

It is an arithmetic number, because the mean of its divisors is an integer number (9514820).

Almost surely, 2^994049280 is an apocalyptic number.

994049280 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 994049280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055201120).

994049280 is an abundant number, since it is smaller than the sum of its proper divisors (3116352960).

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

994049280 is a wasteful number, since it uses less digits than its factorization.

994049280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 994049280 is about 31528.5470645255. The cubic root of 994049280 is about 998.0124790442.

The spelling of 994049280 in words is "nine hundred ninety-four million, forty-nine thousand, two hundred eighty".