503422432434040 has 32 divisors (see below), whose sum is σ = 1294514826259680. Its totient is φ = 172601976834432.

The previous prime is 503422432433959. The next prime is 503422432434073. The reversal of 503422432434040 is 40434234224305.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 503422432433984 and 503422432434002.

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, 898968629067 + ... + 898968629626.

It is an arithmetic number, because the mean of its divisors is an integer number (40453588320615).

Almost surely, 2^{503422432434040} is an apocalyptic number.

It is an amenable number.

503422432434040 is an abundant number, since it is smaller than the sum of its proper divisors (791092393825640).

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

503422432434040 is a wasteful number, since it uses less digits than its factorization.

503422432434040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797937258711 (or 1797937258707 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 40.

Adding to 503422432434040 its reverse (40434234224305), we get a palindrome (543856666658345).

The spelling of 503422432434040 in words is "five hundred three trillion, four hundred twenty-two billion, four hundred thirty-two million, four hundred thirty-four thousand, forty".