50318426240 has 128 divisors (see below), whose sum is σ = 125407319040. Its totient is φ = 19284480000.

The previous prime is 50318426219. The next prime is 50318426269. The reversal of 50318426240 is 4262481305.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 50318426240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991285 + ... + 2016395.

It is an arithmetic number, because the mean of its divisors is an integer number (979744680).

Almost surely, 2^50318426240 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 50318426240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62703659520).

50318426240 is an abundant number, since it is smaller than the sum of its proper divisors (75088892800).

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

50318426240 is a wasteful number, since it uses less digits than its factorization.

50318426240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25262 (or 25250 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 50318426240 in words is "fifty billion, three hundred eighteen million, four hundred twenty-six thousand, two hundred forty".