1444864106 has 32 divisors (see below), whose sum is σ = 2505444480. Its totient is φ = 612121536.

The previous prime is 1444864087. The next prime is 1444864123. The reversal of 1444864106 is 6014684441.

It is a self number, because there is not a number n which added to its sum of digits gives 1444864106.

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, 894956 + ... + 896568.

It is an arithmetic number, because the mean of its divisors is an integer number (78295140).

Almost surely, 2^1444864106 is an apocalyptic number.

1444864106 is a deficient number, since it is larger than the sum of its proper divisors (1060580374).

1444864106 is a wasteful number, since it uses less digits than its factorization.

1444864106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 1444864106 is about 38011.3681153415. The cubic root of 1444864106 is about 1130.5132776662.

The spelling of 1444864106 in words is "one billion, four hundred forty-four million, eight hundred sixty-four thousand, one hundred six".