50320404330 has 128 divisors (see below), whose sum is σ = 138997555200. Its totient is φ = 11420774400.

The previous prime is 50320404313. The next prime is 50320404359. The reversal of 50320404330 is 3340402305.

It is a self number, because there is not a number n which added to its sum of digits gives 50320404330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21402655 + ... + 21405005.

It is an arithmetic number, because the mean of its divisors is an integer number (1085918400).

Almost surely, 2^50320404330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50320404330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69498777600).

50320404330 is an abundant number, since it is smaller than the sum of its proper divisors (88677150870).

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

50320404330 is a wasteful number, since it uses less digits than its factorization.

50320404330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 50320404330 its reverse (3340402305), we get a palindrome (53660806635).

The spelling of 50320404330 in words is "fifty billion, three hundred twenty million, four hundred four thousand, three hundred thirty".