50816039140 has 12 divisors (see below), whose sum is σ = 106713682236. Its totient is φ = 20326415648.

The previous prime is 50816039137. The next prime is 50816039171. The reversal of 50816039140 is 4193061805.

It can be written as a sum of positive squares in 2 ways, for example, as 28236769444 + 22579269696 = 168038^2 + 150264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50816039140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270400959 + ... + 1270400998.

It is an arithmetic number, because the mean of its divisors is an integer number (8892806853).

Almost surely, 2^50816039140 is an apocalyptic number.

It is an amenable number.

50816039140 is an abundant number, since it is smaller than the sum of its proper divisors (55897643096).

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

50816039140 is a wasteful number, since it uses less digits than its factorization.

50816039140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540801966 (or 2540801964 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 50816039140 in words is "fifty billion, eight hundred sixteen million, thirty-nine thousand, one hundred forty".