4171838445 has 64 divisors (see below), whose sum is σ = 7504358400. Its totient is φ = 2198813760.

The previous prime is 4171838353. The next prime is 4171838459. The reversal of 4171838445 is 5448381714.

4171838445 is a `hidden beast` number, since 4 + 171 + 8 + 38 + 445 = 666.

It is not a de Polignac number, because 4171838445 - 2⁹ = 4171837933 is a prime.

It is a super-2 number, since 2×4171838445² = 34808472022360036050, which contains 22 as substring.

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 4171838445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7409734 + ... + 7410296.

It is an arithmetic number, because the mean of its divisors is an integer number (117255600).

Almost surely, 2^4171838445 is an apocalyptic number.

4171838445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4171838445 is a deficient number, since it is larger than the sum of its proper divisors (3332519955).

4171838445 is a wasteful number, since it uses less digits than its factorization.

4171838445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1121 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 4171838445 is about 64589.7704361921. The cubic root of 4171838445 is about 1609.8144720181.

The spelling of 4171838445 in words is "four billion, one hundred seventy-one million, eight hundred thirty-eight thousand, four hundred forty-five".