503041013440 has 112 divisors (see below), whose sum is σ = 1378057273344. Its totient is φ = 171328896000.

The previous prime is 503041013437. The next prime is 503041013537. The reversal of 503041013440 is 44310140305.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×503041013440² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405376 + ... + 1081855.

Almost surely, 2^503041013440 is an apocalyptic number.

It is an amenable number.

503041013440 is an abundant number, since it is smaller than the sum of its proper divisors (875016259904).

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

503041013440 is a wasteful number, since it uses less digits than its factorization.

503041013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487406 (or 1487396 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 503041013440 its reverse (44310140305), we get a palindrome (547351153745).

The spelling of 503041013440 in words is "five hundred three billion, forty-one million, thirteen thousand, four hundred forty".