994989627744 has 192 divisors, whose sum is σ = 3167487783936. Its totient is φ = 266973364224.

The previous prime is 994989627743. The next prime is 994989627763. The reversal of 994989627744 is 447726989499.

It is a self number, because there is not a number n which added to its sum of digits gives 994989627744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994989627743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5125477 + ... + 5316059.

It is an arithmetic number, because the mean of its divisors is an integer number (16497332208).

Almost surely, 2^994989627744 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 994989627744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583743891968).

994989627744 is an abundant number, since it is smaller than the sum of its proper divisors (2172498156192).

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

994989627744 is a wasteful number, since it uses less digits than its factorization.

994989627744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191077 (or 191069 counting only the distinct ones).

The product of its digits is 1975228416, while the sum is 78.

The spelling of 994989627744 in words is "nine hundred ninety-four billion, nine hundred eighty-nine million, six hundred twenty-seven thousand, seven hundred forty-four".