503465321044 has 24 divisors (see below), whose sum is σ = 1007198156160. Its totient is φ = 215713527456.

The previous prime is 503465321011. The next prime is 503465321071. The reversal of 503465321044 is 440123564305.

It is a junction number, because it is equal to n+sod(n) for n = 503465320994 and 503465321012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2281159 + ... + 2492110.

It is an arithmetic number, because the mean of its divisors is an integer number (41966589840).

Almost surely, 2^503465321044 is an apocalyptic number.

It is an amenable number.

503465321044 is an abundant number, since it is smaller than the sum of its proper divisors (503732835116).

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

503465321044 is a wasteful number, since it uses less digits than its factorization.

503465321044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777047 (or 4777045 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 503465321044 its reverse (440123564305), we get a palindrome (943588885349).

The spelling of 503465321044 in words is "five hundred three billion, four hundred sixty-five million, three hundred twenty-one thousand, forty-four".