50641443664 has 40 divisors (see below), whose sum is σ = 112495264128. Its totient is φ = 21633674880.

The previous prime is 50641443623. The next prime is 50641443703. The reversal of 50641443664 is 46634414605.

It is a self number, because there is not a number n which added to its sum of digits gives 50641443664.

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 in 7 ways as a sum of consecutive naturals, for example, 692107 + ... + 761770.

Almost surely, 2^50641443664 is an apocalyptic number.

It is an amenable number.

50641443664 is an abundant number, since it is smaller than the sum of its proper divisors (61853820464).

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

50641443664 is a wasteful number, since it uses less digits than its factorization.

50641443664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454203 (or 1454197 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 50641443664 in words is "fifty billion, six hundred forty-one million, four hundred forty-three thousand, six hundred sixty-four".