503053366432 has 144 divisors (see below), whose sum is σ = 1090509792120. Its totient is φ = 228114432000.

The previous prime is 503053366421. The next prime is 503053366451. The reversal of 503053366432 is 234663350305.

It can be written as a sum of positive squares in 12 ways, for example, as 118856699536 + 384196666896 = 344756^2 + 619836^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161181832 + ... + 161184952.

Almost surely, 2^503053366432 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 503053366432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545254896060).

503053366432 is an abundant number, since it is smaller than the sum of its proper divisors (587456425688).

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

503053366432 is a wasteful number, since it uses less digits than its factorization.

503053366432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795 (or 3770 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 40.

The spelling of 503053366432 in words is "five hundred three billion, fifty-three million, three hundred sixty-six thousand, four hundred thirty-two".