994242240 has 168 divisors, whose sum is σ = 3456005280. Its totient is φ = 262324224.

The previous prime is 994242239. The next prime is 994242253. The reversal of 994242240 is 42242499.

994242240 is a `hidden beast` number, since 9 + 9 + 424 + 224 + 0 = 666.

994242240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 994242195 and 994242204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277581 + ... + 281139.

It is an arithmetic number, because the mean of its divisors is an integer number (20571460).

Almost surely, 2^994242240 is an apocalyptic number.

994242240 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 994242240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728002640).

994242240 is an abundant number, since it is smaller than the sum of its proper divisors (2461763040).

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

994242240 is a wasteful number, since it uses less digits than its factorization.

994242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 994242240 is about 31531.6069999612. The cubic root of 994242240 is about 998.0770513052.

The spelling of 994242240 in words is "nine hundred ninety-four million, two hundred forty-two thousand, two hundred forty".