4445188815444 has 96 divisors (see below), whose sum is σ = 11760815767680. Its totient is φ = 1295437183488.

The previous prime is 4445188815409. The next prime is 4445188815469.

4445188815444 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11707674 + ... + 12081390.

It is an arithmetic number, because the mean of its divisors is an integer number (122508497580).

Almost surely, 2^{4445188815444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4445188815444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5880407883840).

4445188815444 is an abundant number, since it is smaller than the sum of its proper divisors (7315626952236).

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

4445188815444 is a wasteful number, since it uses less digits than its factorization.

4445188815444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377769 (or 377767 counting only the distinct ones).

The product of its digits is 52428800, while the sum is 60.

The spelling of 4445188815444 in words is "four trillion, four hundred forty-five billion, one hundred eighty-eight million, eight hundred fifteen thousand, four hundred forty-four".