1444359223488 has 56 divisors (see below), whose sum is σ = 4046329892592. Its totient is φ = 453132304384.

The previous prime is 1444359223487. The next prime is 1444359223499. The reversal of 1444359223488 is 8843229534441.

It is a super-2 number, since 2×1444359223488² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1444359223487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221252745 + ... + 221259272.

Almost surely, 2^{1444359223488} is an apocalyptic number.

It is an amenable number.

1444359223488 is an abundant number, since it is smaller than the sum of its proper divisors (2601970669104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444359223488 is a wasteful number, since it uses less digits than its factorization.

1444359223488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442512049 (or 442512039 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 57.

The spelling of 1444359223488 in words is "one trillion, four hundred forty-four billion, three hundred fifty-nine million, two hundred twenty-three thousand, four hundred eighty-eight".