50023322640 has 480 divisors, whose sum is σ = 180753431040. Its totient is φ = 12373401600.

The previous prime is 50023322621. The next prime is 50023322651. The reversal of 50023322640 is 4622332005.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 60781269 + ... + 60782091.

It is an arithmetic number, because the mean of its divisors is an integer number (376569648).

Almost surely, 2^50023322640 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 50023322640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90376715520).

50023322640 is an abundant number, since it is smaller than the sum of its proper divisors (130730108400).

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

50023322640 is a wasteful number, since it uses less digits than its factorization.

50023322640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 50023322640 its reverse (4622332005), we get a palindrome (54645654645).

The spelling of 50023322640 in words is "fifty billion, twenty-three million, three hundred twenty-two thousand, six hundred forty".