5045021856 has 144 divisors (see below), whose sum is σ = 16480848384. Its totient is φ = 1434004992.

The previous prime is 5045021831. The next prime is 5045021867. The reversal of 5045021856 is 6581205405.

5045021856 is a `hidden beast` number, since 504 + 50 + 21 + 85 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5045021856.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390801 + ... + 403503.

It is an arithmetic number, because the mean of its divisors is an integer number (114450336).

Almost surely, 2^5045021856 is an apocalyptic number.

5045021856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5045021856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8240424192).

5045021856 is an abundant number, since it is smaller than the sum of its proper divisors (11435826528).

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

5045021856 is a wasteful number, since it uses less digits than its factorization.

5045021856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923 (or 12912 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 5045021856 is about 71028.3172826162. The cubic root of 5045021856 is about 1715.0930379308.

The spelling of 5045021856 in words is "five billion, forty-five million, twenty-one thousand, eight hundred fifty-six".