501506672542 has 48 divisors (see below), whose sum is σ = 778986993456. Its totient is φ = 242003472000.

The previous prime is 501506672533. The next prime is 501506672549. The reversal of 501506672542 is 245276605105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501506672549) 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 23 ways as a sum of consecutive naturals, for example, 648779268 + ... + 648780040.

It is an arithmetic number, because the mean of its divisors is an integer number (16228895697).

Almost surely, 2^501506672542 is an apocalyptic number.

501506672542 is a deficient number, since it is larger than the sum of its proper divisors (277480320914).

501506672542 is a wasteful number, since it uses less digits than its factorization.

501506672542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 501506672542 in words is "five hundred one billion, five hundred six million, six hundred seventy-two thousand, five hundred forty-two".