503115044104040 has 64 divisors (see below), whose sum is σ = 1143006887093760. Its totient is φ = 199290837104640.

The previous prime is 503115044104031. The next prime is 503115044104063. The reversal of 503115044104040 is 40401440511305.

It is a super-2 number, since 2×503115044104040² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 503115044103988 and 503115044104006.

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, 808325432 + ... + 808947608.

It is an arithmetic number, because the mean of its divisors is an integer number (17859482610840).

Almost surely, 2^{503115044104040} is an apocalyptic number.

It is an amenable number.

503115044104040 is an abundant number, since it is smaller than the sum of its proper divisors (639891842989720).

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

503115044104040 is a wasteful number, since it uses less digits than its factorization.

503115044104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818562 (or 818558 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 503115044104040 its reverse (40401440511305), we get a palindrome (543516484615345).

The spelling of 503115044104040 in words is "five hundred three trillion, one hundred fifteen billion, forty-four million, one hundred four thousand, forty".