50386043520 has 640 divisors, whose sum is σ = 187270102800. Its totient is φ = 12899450880.

The previous prime is 50386043507. The next prime is 50386043573. The reversal of 50386043520 is 2534068305.

It is a happy number.

50386043520 is a `hidden beast` number, since 5 + 0 + 38 + 60 + 43 + 520 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 42908636736 + 7477406784 = 207144^2 + 86472^2 .

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 209070600 + ... + 209070840.

Almost surely, 2^50386043520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50386043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93635051400).

50386043520 is an abundant number, since it is smaller than the sum of its proper divisors (136884059280).

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

50386043520 is a wasteful number, since it uses less digits than its factorization.

50386043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 50386043520 in words is "fifty billion, three hundred eighty-six million, forty-three thousand, five hundred twenty".