501944828 has 96 divisors (see below), whose sum is σ = 1134336000. Its totient is φ = 192628800.

The previous prime is 501944813. The next prime is 501944867. The reversal of 501944828 is 828449105.

It is a super-2 number, since 2×501944828² = 503897220711899168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192058 + ... + 1192478.

It is an arithmetic number, because the mean of its divisors is an integer number (11816000).

Almost surely, 2^501944828 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 501944828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567168000).

501944828 is an abundant number, since it is smaller than the sum of its proper divisors (632391172).

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

501944828 is a wasteful number, since it uses less digits than its factorization.

501944828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 501944828 is about 22404.1252451418. The cubic root of 501944828 is about 794.7282686163.

The spelling of 501944828 in words is "five hundred one million, nine hundred forty-four thousand, eight hundred twenty-eight".