503212344040 has 64 divisors (see below), whose sum is σ = 1370090764800. Its totient is φ = 162381124608.

The previous prime is 503212343983. The next prime is 503212344043. The reversal of 503212344040 is 40443212305.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (503212344043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52853680 + ... + 52863199.

It is an arithmetic number, because the mean of its divisors is an integer number (21407668200).

Almost surely, 2^503212344040 is an apocalyptic number.

It is an amenable number.

503212344040 is an abundant number, since it is smaller than the sum of its proper divisors (866878420760).

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

503212344040 is a wasteful number, since it uses less digits than its factorization.

503212344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105716914 (or 105716910 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 503212344040 its reverse (40443212305), we get a palindrome (543655556345).

The spelling of 503212344040 in words is "five hundred three billion, two hundred twelve million, three hundred forty-four thousand, forty".