50309994000 has 640 divisors, whose sum is σ = 191700587520. Its totient is φ = 11114496000.

The previous prime is 50309993977. The next prime is 50309994019. The reversal of 50309994000 is 49990305.

It is a happy number.

50309994000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 50309994000.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 187025866 + ... + 187026134.

It is an arithmetic number, because the mean of its divisors is an integer number (299532168).

Almost surely, 2^50309994000 is an apocalyptic number.

50309994000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50309994000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95850293760).

50309994000 is an abundant number, since it is smaller than the sum of its proper divisors (141390593520).

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

50309994000 is a wasteful number, since it uses less digits than its factorization.

50309994000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 50309994000 in words is "fifty billion, three hundred nine million, nine hundred ninety-four thousand".