501042479 has 20 divisors (see below), whose sum is σ = 609118224. Its totient is φ = 403730688.

The previous prime is 501042467. The next prime is 501042481. The reversal of 501042479 is 974240105.

It is a happy number.

It is not a de Polignac number, because 501042479 - 2⁴ = 501042463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501042439) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 584219 + ... + 585075.

Almost surely, 2^501042479 is an apocalyptic number.

501042479 is a deficient number, since it is larger than the sum of its proper divisors (108075745).

501042479 is an frugal number, since it uses more digits than its factorization.

501042479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 501042479 is about 22383.9781763653. The cubic root of 501042479 is about 794.2517538195.

The spelling of 501042479 in words is "five hundred one million, forty-two thousand, four hundred seventy-nine".