501494573056 has 288 divisors, whose sum is σ = 1128118871880. Its totient is φ = 222047502336.

The previous prime is 501494573051. The next prime is 501494573101. The reversal of 501494573056 is 650375494105.

It can be written as a sum of positive squares in 4 ways, for example, as 483748070400 + 17746502656 = 695520^2 + 133216^2 .

It is not an unprimeable number, because it can be changed into a prime (501494573051) 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, 1344489286 + ... + 1344489658.

Almost surely, 2^501494573056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501494573056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564059435940).

501494573056 is an abundant number, since it is smaller than the sum of its proper divisors (626624298824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501494573056 is a wasteful number, since it uses less digits than its factorization.

501494573056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 501494573056 in words is "five hundred one billion, four hundred ninety-four million, five hundred seventy-three thousand, fifty-six".