50019840 has 240 divisors, whose sum is σ = 187675488. Its totient is φ = 12238848.

The previous prime is 50019821. The next prime is 50019847. The reversal of 50019840 is 4891005.

50019840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50019847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299437 + ... + 299603.

Almost surely, 2^50019840 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 50019840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93837744).

50019840 is an abundant number, since it is smaller than the sum of its proper divisors (137655648).

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

50019840 is a wasteful number, since it uses less digits than its factorization.

50019840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50019840 is about 7072.4705725793. The cubic root of 50019840 is about 368.4518708771.

It can be divided in two parts, 5001 and 9840, that added together give a palindrome (14841).

The spelling of 50019840 in words is "fifty million, nineteen thousand, eight hundred forty".