4443554553444 has 48 divisors (see below), whose sum is σ = 11831686809600. Its totient is φ = 1441152826848.

The previous prime is 4443554553443. The next prime is 4443554553563.

It is a happy number.

4443554553444 is a `hidden beast` number, since 4 + 4 + 4 + 3 + 5 + 545 + 53 + 4 + 44 = 666.

4443554553444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4443554553444² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4443554553443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555996324 + ... + 556004315.

It is an arithmetic number, because the mean of its divisors is an integer number (246493475200).

Almost surely, 2^{4443554553444} is an apocalyptic number.

It is an amenable number.

4443554553444 is an abundant number, since it is smaller than the sum of its proper divisors (7388132256156).

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

4443554553444 is a wasteful number, since it uses less digits than its factorization.

4443554553444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112000689 (or 1112000681 counting only the distinct ones).

The product of its digits is 92160000, while the sum is 54.

The spelling of 4443554553444 in words is "four trillion, four hundred forty-three billion, five hundred fifty-four million, five hundred fifty-three thousand, four hundred forty-four".