4448440086921 has 24 divisors (see below), whose sum is σ = 6526199744064. Its totient is φ = 2919226036320.

The previous prime is 4448440086887. The next prime is 4448440086941. The reversal of 4448440086921 is 1296800448444.

4448440086921 is a `hidden beast` number, since 44 + 484 + 40 + 0 + 8 + 69 + 21 = 666.

It is not a de Polignac number, because 4448440086921 - 2¹⁴ = 4448440070537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4448440086941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1874010 + ... + 3522611.

It is an arithmetic number, because the mean of its divisors is an integer number (271924989336).

Almost surely, 2^{4448440086921} is an apocalyptic number.

It is an amenable number.

4448440086921 is a deficient number, since it is larger than the sum of its proper divisors (2077759657143).

4448440086921 is a wasteful number, since it uses less digits than its factorization.

4448440086921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398061 (or 5398058 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 4448440086921 in words is "four trillion, four hundred forty-eight billion, four hundred forty million, eighty-six thousand, nine hundred twenty-one".