1040444443404 has 72 divisors (see below), whose sum is σ = 2702255676848. Its totient is φ = 337296286080.

The previous prime is 1040444443387. The next prime is 1040444443439. The reversal of 1040444443404 is 4043444440401.

1040444443404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2951379 + ... + 3285045.

Almost surely, 2^{1040444443404} 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 1040444443404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351127838424).

1040444443404 is an abundant number, since it is smaller than the sum of its proper divisors (1661811233444).

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

1040444443404 is a wasteful number, since it uses less digits than its factorization.

1040444443404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336055 (or 336050 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 1040444443404 its reverse (4043444440401), we get a palindrome (5083888883805).

It can be divided in two parts, 1040 and 444443404, that added together give a palindrome (444444444).

The spelling of 1040444443404 in words is "one trillion, forty billion, four hundred forty-four million, four hundred forty-three thousand, four hundred four".