50403020240 has 20 divisors (see below), whose sum is σ = 117187022244. Its totient is φ = 20161208064.

The previous prime is 50403020221. The next prime is 50403020263. The reversal of 50403020240 is 4202030405.

It can be written as a sum of positive squares in 2 ways, for example, as 9665249344 + 40737770896 = 98312^2 + 201836^2 .

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 (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315018797 + ... + 315018956.

Almost surely, 2^50403020240 is an apocalyptic number.

It is an amenable number.

50403020240 is an abundant number, since it is smaller than the sum of its proper divisors (66784002004).

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

50403020240 is a wasteful number, since it uses less digits than its factorization.

50403020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630037766 (or 630037760 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 50403020240 its reverse (4202030405), we get a palindrome (54605050645).

The spelling of 50403020240 in words is "fifty billion, four hundred three million, twenty thousand, two hundred forty".