50438404418 has 8 divisors (see below), whose sum is σ = 75660002748. Its totient is φ = 25218403504.

The previous prime is 50438404409. The next prime is 50438404421. The reversal of 50438404418 is 81440483405.

It can be written as a sum of positive squares in 2 ways, for example, as 40311403729 + 10127000689 = 200777^2 + 100633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 317021 + ... + 448752.

Almost surely, 2^50438404418 is an apocalyptic number.

50438404418 is a deficient number, since it is larger than the sum of its proper divisors (25221598330).

50438404418 is a wasteful number, since it uses less digits than its factorization.

50438404418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798708.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 50438404418 in words is "fifty billion, four hundred thirty-eight million, four hundred four thousand, four hundred eighteen".