50000402398 has 4 divisors (see below), whose sum is σ = 75000603600. Its totient is φ = 25000201198.

The previous prime is 50000402371. The next prime is 50000402401. The reversal of 50000402398 is 89320400005.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12500100598 + ... + 12500100601.

It is an arithmetic number, because the mean of its divisors is an integer number (18750150900).

Almost surely, 2^50000402398 is an apocalyptic number.

50000402398 is a deficient number, since it is larger than the sum of its proper divisors (25000201202).

50000402398 is a wasteful number, since it uses less digits than its factorization.

50000402398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000201201.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 50000402398 in words is "fifty billion, four hundred two thousand, three hundred ninety-eight".