4128444135 has 24 divisors (see below), whose sum is σ = 7576910640. Its totient is φ = 2072316672.

The previous prime is 4128444113. The next prime is 4128444137. The reversal of 4128444135 is 5314448214.

It is not a de Polignac number, because 4128444135 - 2¹⁵ = 4128411367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4128444135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128444137) 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, 2697565 + ... + 2699094.

It is an arithmetic number, because the mean of its divisors is an integer number (315704610).

Almost surely, 2^4128444135 is an apocalyptic number.

4128444135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4128444135 is a deficient number, since it is larger than the sum of its proper divisors (3448466505).

4128444135 is a wasteful number, since it uses less digits than its factorization.

4128444135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396687 (or 5396684 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 4128444135 is about 64252.9698535406. The cubic root of 4128444135 is about 1604.2133915874.

The spelling of 4128444135 in words is "four billion, one hundred twenty-eight million, four hundred forty-four thousand, one hundred thirty-five".