4508821338 has 48 divisors (see below), whose sum is σ = 10495635264. Its totient is φ = 1287531840.

The previous prime is 4508821337. The next prime is 4508821349. The reversal of 4508821338 is 8331288054.

It is a super-2 number, since 2×4508821338² = 40658939716008220488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4508821338.

It is not an unprimeable number, because it can be changed into a prime (4508821333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794206 + ... + 799862.

It is an arithmetic number, because the mean of its divisors is an integer number (218659068).

Almost surely, 2^4508821338 is an apocalyptic number.

4508821338 is an abundant number, since it is smaller than the sum of its proper divisors (5986813926).

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

4508821338 is a wasteful number, since it uses less digits than its factorization.

4508821338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387 (or 8380 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 4508821338 is about 67147.7575053702. The cubic root of 4508821338 is about 1652.0417134923.

The spelling of 4508821338 in words is "four billion, five hundred eight million, eight hundred twenty-one thousand, three hundred thirty-eight".