503443242000 has 160 divisors (see below), whose sum is σ = 1803445762560. Its totient is φ = 134251516800.

The previous prime is 503443241999. The next prime is 503443242023. The reversal of 503443242000 is 242344305.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4607512 + ... + 4715511.

It is an arithmetic number, because the mean of its divisors is an integer number (11271536016).

Almost surely, 2^503443242000 is an apocalyptic number.

503443242000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

503443242000 is an abundant number, since it is smaller than the sum of its proper divisors (1300002520560).

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

503443242000 is a wasteful number, since it uses less digits than its factorization.

503443242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323055 (or 9323033 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 503443242000 its reverse (242344305), we get a palindrome (503685586305).

The spelling of 503443242000 in words is "five hundred three billion, four hundred forty-three million, two hundred forty-two thousand".