503233306040 has 32 divisors (see below), whose sum is σ = 1145916812880. Its totient is φ = 198868100352.

The previous prime is 503233306033. The next prime is 503233306049. The reversal of 503233306040 is 40603332305.

It is a junction number, because it is equal to n+sod(n) for n = 503233305994 and 503233306012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503233306049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75784829 + ... + 75791468.

Almost surely, 2^503233306040 is an apocalyptic number.

It is an amenable number.

503233306040 is an abundant number, since it is smaller than the sum of its proper divisors (642683506840).

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

503233306040 is a wasteful number, since it uses less digits than its factorization.

503233306040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151576391 (or 151576387 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 503233306040 its reverse (40603332305), we get a palindrome (543836638345).

The spelling of 503233306040 in words is "five hundred three billion, two hundred thirty-three million, three hundred six thousand, forty".