4538228355 has 24 divisors (see below), whose sum is σ = 7870254288. Its totient is φ = 2419160256.

The previous prime is 4538228347. The next prime is 4538228381. The reversal of 4538228355 is 5538228354.

4538228355 is a `hidden beast` number, since 45 + 38 + 228 + 355 = 666.

It is not a de Polignac number, because 4538228355 - 2³ = 4538228347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4538228355.

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, 67824 + ... + 116946.

It is an arithmetic number, because the mean of its divisors is an integer number (327927262).

Almost surely, 2^4538228355 is an apocalyptic number.

4538228355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4538228355 is a deficient number, since it is larger than the sum of its proper divisors (3332025933).

4538228355 is a wasteful number, since it uses less digits than its factorization.

4538228355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51187 (or 51184 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The square root of 4538228355 is about 67366.3740674827. The cubic root of 4538228355 is about 1655.6255312266.

Subtracting 4538228355 from its reverse (5538228354), we obtain a palindrome (999999999).

It can be divided in two parts, 45382 and 28355, that added together give a palindrome (73737).

The spelling of 4538228355 in words is "four billion, five hundred thirty-eight million, two hundred twenty-eight thousand, three hundred fifty-five".