503402130236 has 12 divisors (see below), whose sum is σ = 881427117480. Its totient is φ = 251565810960.

The previous prime is 503402130199. The next prime is 503402130239. The reversal of 503402130236 is 632031204305.

It is a super-2 number, since 2×503402130236² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 503402130199 and 503402130208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503402130239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33805166 + ... + 33820053.

It is an arithmetic number, because the mean of its divisors is an integer number (73452259790).

Almost surely, 2^503402130236 is an apocalyptic number.

It is an amenable number.

503402130236 is a deficient number, since it is larger than the sum of its proper divisors (378024987244).

503402130236 is a wasteful number, since it uses less digits than its factorization.

503402130236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67627084 (or 67627082 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 503402130236 in words is "five hundred three billion, four hundred two million, one hundred thirty thousand, two hundred thirty-six".