4005807162128 has 40 divisors (see below), whose sum is σ = 7945761304800. Its totient is φ = 1955335221504.

The previous prime is 4005807162127. The next prime is 4005807162197. The reversal of 4005807162128 is 8212617085004.

It is not an unprimeable number, because it can be changed into a prime (4005807162127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109493 + ... + 2832596.

It is an arithmetic number, because the mean of its divisors is an integer number (198644032620).

Almost surely, 2^{4005807162128} is an apocalyptic number.

It is an amenable number.

4005807162128 is a deficient number, since it is larger than the sum of its proper divisors (3939954142672).

4005807162128 is a wasteful number, since it uses less digits than its factorization.

4005807162128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944119 (or 2944113 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 4005807162128 in words is "four trillion, five billion, eight hundred seven million, one hundred sixty-two thousand, one hundred twenty-eight".