4448401864 has 16 divisors (see below), whose sum is σ = 8342783820. Its totient is φ = 2223659520.

The previous prime is 4448401829. The next prime is 4448401877. The reversal of 4448401864 is 4681048444.

It can be written as a sum of positive squares in 2 ways, for example, as 4328324100 + 120077764 = 65790^2 + 10958^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4448401864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31629 + ... + 99484.

Almost surely, 2^4448401864 is an apocalyptic number.

It is an amenable number.

4448401864 is a deficient number, since it is larger than the sum of its proper divisors (3894381956).

4448401864 is a wasteful number, since it uses less digits than its factorization.

4448401864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135360 (or 135356 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 43.

The square root of 4448401864 is about 66696.3407092173. The cubic root of 4448401864 is about 1644.6292299140.

The spelling of 4448401864 in words is "four billion, four hundred forty-eight million, four hundred one thousand, eight hundred sixty-four".