501444266242 has 8 divisors (see below), whose sum is σ = 752180149116. Its totient is φ = 250717549872.

The previous prime is 501444266207. The next prime is 501444266243. The reversal of 501444266242 is 242662444105.

It can be written as a sum of positive squares in 2 ways, for example, as 471791770641 + 29652495601 = 686871^2 + 172199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 501444266195 and 501444266204.

It is not an unprimeable number, because it can be changed into a prime (501444266243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153193 + ... + 2374684.

Almost surely, 2^501444266242 is an apocalyptic number.

501444266242 is a deficient number, since it is larger than the sum of its proper divisors (250735882874).

501444266242 is a wasteful number, since it uses less digits than its factorization.

501444266242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583252.

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 501444266242 in words is "five hundred one billion, four hundred forty-four million, two hundred sixty-six thousand, two hundred forty-two".