50203440 has 180 divisors, whose sum is σ = 196264224. Its totient is φ = 11467008.

The previous prime is 50203409. The next prime is 50203451. The reversal of 50203440 is 4430205.

It is a happy number.

50203440 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 (180).

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

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 34569 + ... + 35991.

Almost surely, 2^50203440 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 50203440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98132112).

50203440 is an abundant number, since it is smaller than the sum of its proper divisors (146060784).

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

50203440 is a wasteful number, since it uses less digits than its factorization.

50203440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1440 counting only the distinct ones).

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

The square root of 50203440 is about 7085.4385891065. The cubic root of 50203440 is about 368.9021266412.

Adding to 50203440 its reverse (4430205), we get a palindrome (54633645).

The spelling of 50203440 in words is "fifty million, two hundred three thousand, four hundred forty".