501042884 has 12 divisors (see below), whose sum is σ = 889912464. Its totient is φ = 246782184.

The previous prime is 501042881. The next prime is 501042907. The reversal of 501042884 is 488240105.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 501042884.

It is not an unprimeable number, because it can be changed into a prime (501042881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934514 + ... + 935049.

It is an arithmetic number, because the mean of its divisors is an integer number (74159372).

Almost surely, 2^501042884 is an apocalyptic number.

It is an amenable number.

501042884 is a deficient number, since it is larger than the sum of its proper divisors (388869580).

501042884 is a wasteful number, since it uses less digits than its factorization.

501042884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869634 (or 1869632 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 501042884 is about 22383.9872230128. The cubic root of 501042884 is about 794.2519678213.

Adding to 501042884 its reverse (488240105), we get a palindrome (989282989).

The spelling of 501042884 in words is "five hundred one million, forty-two thousand, eight hundred eighty-four".