503643242732 has 48 divisors (see below), whose sum is σ = 1025001976320. Its totient is φ = 212055520512.

The previous prime is 503643242731. The next prime is 503643242749. The reversal of 503643242732 is 237242346305.

It is a self number, because there is not a number n which added to its sum of digits gives 503643242732.

It is not an unprimeable number, because it can be changed into a prime (503643242731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2559908 + ... + 2749620.

It is an arithmetic number, because the mean of its divisors is an integer number (21354207840).

Almost surely, 2^503643242732 is an apocalyptic number.

It is an amenable number.

503643242732 is an abundant number, since it is smaller than the sum of its proper divisors (521358733588).

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

503643242732 is a wasteful number, since it uses less digits than its factorization.

503643242732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191390 (or 191388 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 41.

The spelling of 503643242732 in words is "five hundred three billion, six hundred forty-three million, two hundred forty-two thousand, seven hundred thirty-two".