500330003440 has 20 divisors (see below), whose sum is σ = 1163267258184. Its totient is φ = 200132001344.

The previous prime is 500330003389. The next prime is 500330003443. The reversal of 500330003440 is 44300033005.

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

It is a super-2 number, since 2×500330003440² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500330003443) 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, 3127062442 + ... + 3127062601.

Almost surely, 2^500330003440 is an apocalyptic number.

It is an amenable number.

500330003440 is an abundant number, since it is smaller than the sum of its proper divisors (662937254744).

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

500330003440 is a wasteful number, since it uses less digits than its factorization.

500330003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254125056 (or 6254125050 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 500330003440 its reverse (44300033005), we get a palindrome (544630036445).

The spelling of 500330003440 in words is "five hundred billion, three hundred thirty million, three thousand, four hundred forty".