50309490000 has 800 divisors, whose sum is σ = 209740861440. Its totient is φ = 10080000000.

The previous prime is 50309489981. The next prime is 50309490001. The reversal of 50309490000 is 9490305.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 50309490000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50309490001) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 66989625 + ... + 66990375.

Almost surely, 2^50309490000 is an apocalyptic number.

50309490000 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 50309490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104870430720).

50309490000 is an abundant number, since it is smaller than the sum of its proper divisors (159431371440).

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

50309490000 is a wasteful number, since it uses less digits than its factorization.

50309490000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The spelling of 50309490000 in words is "fifty billion, three hundred nine million, four hundred ninety thousand".