1994424945336 has 128 divisors (see below), whose sum is σ = 5613075072000. Its totient is φ = 656056267776.

The previous prime is 1994424945319. The next prime is 1994424945349. The reversal of 1994424945336 is 6335494244991.

It is a happy number.

1994424945336 is a `hidden beast` number, since 1 + 9 + 9 + 4 + 4 + 2 + 4 + 94 + 533 + 6 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34389115 + ... + 34447061.

It is an arithmetic number, because the mean of its divisors is an integer number (43852149000).

Almost surely, 2^{1994424945336} 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 1994424945336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2806537536000).

1994424945336 is an abundant number, since it is smaller than the sum of its proper divisors (3618650126664).

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

1994424945336 is a wasteful number, since it uses less digits than its factorization.

1994424945336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60058 (or 60048 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 63.

The spelling of 1994424945336 in words is "one trillion, nine hundred ninety-four billion, four hundred twenty-four million, nine hundred forty-five thousand, three hundred thirty-six".