501042540535232 has 448 divisors, whose sum is σ = 1084631679774720. Its totient is φ = 229206594355200.

The previous prime is 501042540535213. The next prime is 501042540535267. The reversal of 501042540535232 is 232535045240105.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 501042540535232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106809322007 + ... + 106809326697.

It is an arithmetic number, because the mean of its divisors is an integer number (2421052856640).

Almost surely, 2^{501042540535232} 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 501042540535232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542315839887360).

501042540535232 is an abundant number, since it is smaller than the sum of its proper divisors (583589139239488).

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

501042540535232 is a wasteful number, since it uses less digits than its factorization.

501042540535232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 501042540535232 its reverse (232535045240105), we get a palindrome (733577585775337).

The spelling of 501042540535232 in words is "five hundred one trillion, forty-two billion, five hundred forty million, five hundred thirty-five thousand, two hundred thirty-two".