996291804450 has 48 divisors (see below), whose sum is σ = 2489664820896. Its totient is φ = 263649734400.

The previous prime is 996291804349. The next prime is 996291804451. The reversal of 996291804450 is 54408192699.

It is a super-2 number, since 2×996291804450² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (996291804451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25331287 + ... + 25370586.

It is an arithmetic number, because the mean of its divisors is an integer number (51868017102).

Almost surely, 2^996291804450 is an apocalyptic number.

996291804450 is an abundant number, since it is smaller than the sum of its proper divisors (1493373016446).

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

996291804450 is a wasteful number, since it uses less digits than its factorization.

996291804450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50702019 (or 50702014 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 996291804450 in words is "nine hundred ninety-six billion, two hundred ninety-one million, eight hundred four thousand, four hundred fifty".