501492792378242 has 64 divisors (see below), whose sum is σ = 895051193694720. Its totient is φ = 206247684174336.

The previous prime is 501492792378223. The next prime is 501492792378247. The reversal of 501492792378242 is 242873297294105.

It is not an unprimeable number, because it can be changed into a prime (501492792378247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2251977059 + ... + 2252199737.

It is an arithmetic number, because the mean of its divisors is an integer number (13985174901480).

Almost surely, 2^{501492792378242} is an apocalyptic number.

501492792378242 is a deficient number, since it is larger than the sum of its proper divisors (393558401316478).

501492792378242 is a wasteful number, since it uses less digits than its factorization.

501492792378242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282355.

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 501492792378242 in words is "five hundred one trillion, four hundred ninety-two billion, seven hundred ninety-two million, three hundred seventy-eight thousand, two hundred forty-two".