4453402144544 has 48 divisors (see below), whose sum is σ = 9337040081208. Its totient is φ = 2083604631552.

The previous prime is 4453402144537. The next prime is 4453402144559. The reversal of 4453402144544 is 4454412043544.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4259220908944 + 194181235600 = 2063788^2 + 440660^2 .

It is a super-2 number, since 2×4453402144544² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4453402144495 and 4453402144504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23566007 + ... + 23754230.

Almost surely, 2^{4453402144544} is an apocalyptic number.

It is an amenable number.

4453402144544 is an abundant number, since it is smaller than the sum of its proper divisors (4883637936664).

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

4453402144544 is a wasteful number, since it uses less digits than its factorization.

4453402144544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47320437 (or 47320429 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 44.

The spelling of 4453402144544 in words is "four trillion, four hundred fifty-three billion, four hundred two million, one hundred forty-four thousand, five hundred forty-four".