994985784948480 has 576 divisors, whose sum is σ = 3458324115351168. Its totient is φ = 242333861806080.

The previous prime is 994985784948413. The next prime is 994985784948481. The reversal of 994985784948480 is 84849487589499.

It is a Harshad number since it is a multiple of its sum of digits (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994985784948481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21097616100 + ... + 21097663260.

Almost surely, 2^{994985784948480} 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 994985784948480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729162057675584).

994985784948480 is an abundant number, since it is smaller than the sum of its proper divisors (2463338330402688).

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

994985784948480 is a wasteful number, since it uses less digits than its factorization.

994985784948480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51652 (or 51638 counting only the distinct ones).

The product of its (nonzero) digits is 240789749760, while the sum is 96.

The spelling of 994985784948480 in words is "nine hundred ninety-four trillion, nine hundred eighty-five billion, seven hundred eighty-four million, nine hundred forty-eight thousand, four hundred eighty".