50000049980 has 48 divisors (see below), whose sum is σ = 107472820224. Its totient is φ = 19529294400.

The previous prime is 50000049973. The next prime is 50000049989. The reversal of 50000049980 is 8994000005.

It is a self number, because there is not a number n which added to its sum of digits gives 50000049980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000049989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4251989 + ... + 4263731.

It is an arithmetic number, because the mean of its divisors is an integer number (2239017088).

Almost surely, 2^50000049980 is an apocalyptic number.

It is an amenable number.

50000049980 is an abundant number, since it is smaller than the sum of its proper divisors (57472770244).

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

50000049980 is a wasteful number, since it uses less digits than its factorization.

50000049980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16746 (or 16744 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

Adding to 50000049980 its reverse (8994000005), we get a palindrome (58994049985).

The spelling of 50000049980 in words is "fifty billion, forty-nine thousand, nine hundred eighty".