501004645460 has 72 divisors (see below), whose sum is σ = 1158809264928. Its totient is φ = 181812030400.

The previous prime is 501004645457. The next prime is 501004645513. The reversal of 501004645460 is 64546400105.

It is a super-2 number, since 2×501004645460² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501004645460.

It is a congruent number.

It is an unprimeable number.

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, 977399 + ... + 1399041.

It is an arithmetic number, because the mean of its divisors is an integer number (16094573124).

Almost surely, 2^501004645460 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 501004645460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579404632464).

501004645460 is an abundant number, since it is smaller than the sum of its proper divisors (657804619468).

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

501004645460 is a wasteful number, since it uses less digits than its factorization.

501004645460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422165 (or 422152 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 501004645460 in words is "five hundred one billion, four million, six hundred forty-five thousand, four hundred sixty".