503053244436 has 12 divisors (see below), whose sum is σ = 1173790903712. Its totient is φ = 167684414808.

The previous prime is 503053244413. The next prime is 503053244461. The reversal of 503053244436 is 634442350305.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 503053244394 and 503053244403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20960551840 + ... + 20960551863.

Almost surely, 2^503053244436 is an apocalyptic number.

It is an amenable number.

503053244436 is an abundant number, since it is smaller than the sum of its proper divisors (670737659276).

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

503053244436 is a wasteful number, since it uses less digits than its factorization.

503053244436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41921103710 (or 41921103708 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 503053244436 in words is "five hundred three billion, fifty-three million, two hundred forty-four thousand, four hundred thirty-six".