50120404240 has 120 divisors (see below), whose sum is σ = 121424493960. Its totient is φ = 19236040704.

The previous prime is 50120404237. The next prime is 50120404259. The reversal of 50120404240 is 4240402105.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 232501504 + 49887902736 = 15248^2 + 223356^2 .

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 23 ways as a sum of consecutive naturals, for example, 7991826 + ... + 7998094.

It is an arithmetic number, because the mean of its divisors is an integer number (1011870783).

Almost surely, 2^50120404240 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 50120404240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60712246980).

50120404240 is an abundant number, since it is smaller than the sum of its proper divisors (71304089720).

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

50120404240 is a wasteful number, since it uses less digits than its factorization.

50120404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 50120404240 its reverse (4240402105), we get a palindrome (54360806345).

The spelling of 50120404240 in words is "fifty billion, one hundred twenty million, four hundred four thousand, two hundred forty".