3864673655448 has 64 divisors (see below), whose sum is σ = 9768481320960. Its totient is φ = 1274048931456.

The previous prime is 3864673655357. The next prime is 3864673655471. The reversal of 3864673655448 is 8445563764683.

It is a super-2 number, since 2×3864673655448² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033686 + ... + 2966117.

It is an arithmetic number, because the mean of its divisors is an integer number (152632520640).

Almost surely, 2^{3864673655448} is an apocalyptic number.

It is an amenable number.

3864673655448 is an abundant number, since it is smaller than the sum of its proper divisors (5903807665512).

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

3864673655448 is a wasteful number, since it uses less digits than its factorization.

3864673655448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000256 (or 4000252 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 69.

The spelling of 3864673655448 in words is "three trillion, eight hundred sixty-four billion, six hundred seventy-three million, six hundred fifty-five thousand, four hundred forty-eight".