50320240 has 20 divisors (see below), whose sum is σ = 116994744. Its totient is φ = 20128064.

The previous prime is 50320217. The next prime is 50320241. The reversal of 50320240 is 4202305.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50320241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314422 + ... + 314581.

Almost surely, 2^50320240 is an apocalyptic number.

It is an amenable number.

50320240 is an abundant number, since it is smaller than the sum of its proper divisors (66674504).

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

50320240 is a wasteful number, since it uses less digits than its factorization.

50320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629016 (or 629010 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 50320240 is about 7093.6760568833. The cubic root of 50320240 is about 369.1879928186.

Adding to 50320240 its reverse (4202305), we get a palindrome (54522545).

The spelling of 50320240 in words is "fifty million, three hundred twenty thousand, two hundred forty".