4021443013408 has 12 divisors (see below), whose sum is σ = 7917215932710. Its totient is φ = 2010721506688.

The previous prime is 4021443013391. The next prime is 4021443013411. The reversal of 4021443013408 is 8043103441204.

It can be written as a sum of positive squares in only one way, i.e., 3942655014544 + 78787998864 = 1985612^2 + 280692^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62835047053 + ... + 62835047116.

Almost surely, 2^{4021443013408} is an apocalyptic number.

It is an amenable number.

4021443013408 is a deficient number, since it is larger than the sum of its proper divisors (3895772919302).

4021443013408 is a wasteful number, since it uses less digits than its factorization.

4021443013408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125670094179 (or 125670094171 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 4021443013408 in words is "four trillion, twenty-one billion, four hundred forty-three million, thirteen thousand, four hundred eight".