503042446444 has 24 divisors (see below), whose sum is σ = 888485598000. Its totient is φ = 249189860160.

The previous prime is 503042446429. The next prime is 503042446447. The reversal of 503042446444 is 444644240305.

It is a junction number, because it is equal to n+sod(n) for n = 503042446397 and 503042446406.

It is not an unprimeable number, because it can be changed into a prime (503042446447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5051454 + ... + 5150074.

It is an arithmetic number, because the mean of its divisors is an integer number (37020233250).

Almost surely, 2^503042446444 is an apocalyptic number.

It is an amenable number.

503042446444 is a deficient number, since it is larger than the sum of its proper divisors (385443151556).

503042446444 is a wasteful number, since it uses less digits than its factorization.

503042446444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110433 (or 110431 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 503042446444 its reverse (444644240305), we get a palindrome (947686686749).

The spelling of 503042446444 in words is "five hundred three billion, forty-two million, four hundred forty-six thousand, four hundred forty-four".