503403543136 has 96 divisors (see below), whose sum is σ = 1077369914880. Its totient is φ = 230158139904.

The previous prime is 503403543089. The next prime is 503403543151. The reversal of 503403543136 is 631345304305.

It is a super-2 number, since 2×503403543136² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 503403543095 and 503403543104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26763111 + ... + 26781913.

It is an arithmetic number, because the mean of its divisors is an integer number (11222603280).

Almost surely, 2^503403543136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503403543136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538684957440).

503403543136 is an abundant number, since it is smaller than the sum of its proper divisors (573966371744).

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

503403543136 is a wasteful number, since it uses less digits than its factorization.

503403543136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19428 (or 19420 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 503403543136 in words is "five hundred three billion, four hundred three million, five hundred forty-three thousand, one hundred thirty-six".