503434040 has 32 divisors (see below), whose sum is σ = 1136328480. Its totient is φ = 200733312.

The previous prime is 503434007. The next prime is 503434069. The reversal of 503434040 is 40434305.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 503433997 and 503434015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7172 + ... + 32531.

It is an arithmetic number, because the mean of its divisors is an integer number (35510265).

Almost surely, 2^503434040 is an apocalyptic number.

It is an amenable number.

503434040 is an abundant number, since it is smaller than the sum of its proper divisors (632894440).

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

503434040 is a wasteful number, since it uses less digits than its factorization.

503434040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40031 (or 40027 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 503434040 is about 22437.3358489817. The cubic root of 503434040 is about 795.5134481018.

Adding to 503434040 its reverse (40434305), we get a palindrome (543868345).

The spelling of 503434040 in words is "five hundred three million, four hundred thirty-four thousand, forty".