994263040 has 120 divisors (see below), whose sum is σ = 2441796840. Its totient is φ = 388497408.

The previous prime is 994263029. The next prime is 994263041. The reversal of 994263040 is 40362499.

It can be written as a sum of positive squares in 4 ways, for example, as 409010176 + 585252864 = 20224^2 + 24192^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994263041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341646 + ... + 4341874.

It is an arithmetic number, because the mean of its divisors is an integer number (20348307).

Almost surely, 2^994263040 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 994263040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220898420).

994263040 is an abundant number, since it is smaller than the sum of its proper divisors (1447533800).

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

994263040 is an equidigital number, since it uses as much as digits as its factorization.

994263040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 994263040 is about 31531.9368260182. The cubic root of 994263040 is about 998.0840113320.

The spelling of 994263040 in words is "nine hundred ninety-four million, two hundred sixty-three thousand, forty".