3864442441628 has 24 divisors (see below), whose sum is σ = 6855657305280. Its totient is φ = 1905735199680.

The previous prime is 3864442441579. The next prime is 3864442441663. The reversal of 3864442441628 is 8261442444683.

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, 6200651 + ... + 6795362.

It is an arithmetic number, because the mean of its divisors is an integer number (285652387720).

Almost surely, 2^{3864442441628} is an apocalyptic number.

It is an amenable number.

3864442441628 is a deficient number, since it is larger than the sum of its proper divisors (2991214863652).

3864442441628 is a wasteful number, since it uses less digits than its factorization.

3864442441628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12997037 (or 12997035 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 56.

The spelling of 3864442441628 in words is "three trillion, eight hundred sixty-four billion, four hundred forty-two million, four hundred forty-one thousand, six hundred twenty-eight".