3843205728544 has 96 divisors (see below), whose sum is σ = 9528950471040. Its totient is φ = 1485031145472.

The previous prime is 3843205728533. The next prime is 3843205728569. The reversal of 3843205728544 is 4458275023483.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 15221089 + ... + 15471520.

It is an arithmetic number, because the mean of its divisors is an integer number (99259900740).

Almost surely, 2^{3843205728544} is an apocalyptic number.

It is an amenable number.

3843205728544 is an abundant number, since it is smaller than the sum of its proper divisors (5685744742496).

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

3843205728544 is a wasteful number, since it uses less digits than its factorization.

3843205728544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30692682 (or 30692674 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 55.

The spelling of 3843205728544 in words is "three trillion, eight hundred forty-three billion, two hundred five million, seven hundred twenty-eight thousand, five hundred forty-four".