50000402428 has 12 divisors (see below), whose sum is σ = 87518440800. Its totient is φ = 24995133632.

The previous prime is 50000402401. The next prime is 50000402429. The reversal of 50000402428 is 82420400005.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000402429) 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 3 ways as a sum of consecutive naturals, for example, 1244653 + ... + 1284196.

It is an arithmetic number, because the mean of its divisors is an integer number (7293203400).

Almost surely, 2^50000402428 is an apocalyptic number.

It is an amenable number.

50000402428 is a deficient number, since it is larger than the sum of its proper divisors (37518038372).

50000402428 is a wasteful number, since it uses less digits than its factorization.

50000402428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533796 (or 2533794 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The spelling of 50000402428 in words is "fifty billion, four hundred two thousand, four hundred twenty-eight".