503042434434 has 24 divisors (see below), whose sum is σ = 1089938369520. Its totient is φ = 167678796888.

The previous prime is 503042434421. The next prime is 503042434519. The reversal of 503042434434 is 434434240305.

503042434434 is a `hidden beast` number, since 5 + 0 + 304 + 2 + 4 + 344 + 3 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2652609 + ... + 2835915.

It is an arithmetic number, because the mean of its divisors is an integer number (45414098730).

Almost surely, 2^503042434434 is an apocalyptic number.

503042434434 is an abundant number, since it is smaller than the sum of its proper divisors (586895935086).

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

503042434434 is a wasteful number, since it uses less digits than its factorization.

503042434434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335774 (or 335771 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 503042434434 its reverse (434434240305), we get a palindrome (937476674739).

The spelling of 503042434434 in words is "five hundred three billion, forty-two million, four hundred thirty-four thousand, four hundred thirty-four".