50313443440 has 320 divisors, whose sum is σ = 137559945600. Its totient is φ = 17003298816.

The previous prime is 50313443431. The next prime is 50313443443. The reversal of 50313443440 is 4434431305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50313443443) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 219709246 + ... + 219709474.

It is an arithmetic number, because the mean of its divisors is an integer number (429874830).

Almost surely, 2^50313443440 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 50313443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68779972800).

50313443440 is an abundant number, since it is smaller than the sum of its proper divisors (87246502160).

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

50313443440 is a wasteful number, since it uses less digits than its factorization.

50313443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 50313443440 its reverse (4434431305), we get a palindrome (54747874745).

The spelling of 50313443440 in words is "fifty billion, three hundred thirteen million, four hundred forty-three thousand, four hundred forty".