994061040 has 240 divisors, whose sum is σ = 3616723872. Its totient is φ = 225189888.

The previous prime is 994061027. The next prime is 994061071. The reversal of 994061040 is 40160499.

It is a tau number, because it is divible by the number of its divisors (240).

It is a junction number, because it is equal to n+sod(n) for n = 994060992 and 994061010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1610812 + ... + 1611428.

Almost surely, 2^994061040 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 994061040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808361936).

994061040 is an abundant number, since it is smaller than the sum of its proper divisors (2622662832).

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

994061040 is a wasteful number, since it uses less digits than its factorization.

994061040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 994061040 is about 31528.7335616260. The cubic root of 994061040 is about 998.0164146574.

The spelling of 994061040 in words is "nine hundred ninety-four million, sixty-one thousand, forty".