4128158245872 has 40 divisors (see below), whose sum is σ = 10865624068944. Its totient is φ = 1350089488384.

The previous prime is 4128158245867. The next prime is 4128158245963. The reversal of 4128158245872 is 2785428518214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811349313 + ... + 811354400.

Almost surely, 2^{4128158245872} is an apocalyptic number.

It is an amenable number.

4128158245872 is an abundant number, since it is smaller than the sum of its proper divisors (6737465823072).

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

4128158245872 is a wasteful number, since it uses less digits than its factorization.

4128158245872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622703777 (or 1622703771 counting only the distinct ones).

The product of its digits is 11468800, while the sum is 57.

The spelling of 4128158245872 in words is "four trillion, one hundred twenty-eight billion, one hundred fifty-eight million, two hundred forty-five thousand, eight hundred seventy-two".