50020240 has 20 divisors (see below), whose sum is σ = 116297244. Its totient is φ = 20008064.

The previous prime is 50020237. The next prime is 50020247. The reversal of 50020240 is 4202005.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17438976 + 32581264 = 4176^2 + 5708^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 50020240.

It is not an unprimeable number, because it can be changed into a prime (50020247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312547 + ... + 312706.

Almost surely, 2^50020240 is an apocalyptic number.

It is an amenable number.

50020240 is an abundant number, since it is smaller than the sum of its proper divisors (66277004).

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

50020240 is a wasteful number, since it uses less digits than its factorization.

50020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625266 (or 625260 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 50020240 is about 7072.4988511841. The cubic root of 50020240 is about 368.4528530231.

Adding to 50020240 its reverse (4202005), we get a palindrome (54222245).

The spelling of 50020240 in words is "fifty million, twenty thousand, two hundred forty".