50430240 has 144 divisors (see below), whose sum is σ = 196717248. Its totient is φ = 11524608.

The previous prime is 50430239. The next prime is 50430257. The reversal of 50430240 is 4203405.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7579 + ... + 12581.

It is an arithmetic number, because the mean of its divisors is an integer number (1366092).

Almost surely, 2^50430240 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 50430240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98358624).

50430240 is an abundant number, since it is smaller than the sum of its proper divisors (146287008).

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

50430240 is a wasteful number, since it uses less digits than its factorization.

50430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 50430240 is about 7101.4252090690. The cubic root of 50430240 is about 369.4568119092.

Adding to 50430240 its reverse (4203405), we get a palindrome (54633645).

The spelling of 50430240 in words is "fifty million, four hundred thirty thousand, two hundred forty".