144440634162464 has 24 divisors (see below), whose sum is σ = 284367767056128. Its totient is φ = 72220248878400.

The previous prime is 144440634162457. The next prime is 144440634162499. The reversal of 144440634162464 is 464261436044441.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61618289 + ... + 63919439.

It is an arithmetic number, because the mean of its divisors is an integer number (11848656960672).

Almost surely, 2^{144440634162464} is an apocalyptic number.

It is an amenable number.

144440634162464 is a deficient number, since it is larger than the sum of its proper divisors (139927132893664).

144440634162464 is a wasteful number, since it uses less digits than its factorization.

144440634162464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262688 (or 4262680 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 53.

The spelling of 144440634162464 in words is "one hundred forty-four trillion, four hundred forty billion, six hundred thirty-four million, one hundred sixty-two thousand, four hundred sixty-four".