1044454440000 has 140 divisors (see below), whose sum is σ = 3453210481424. Its totient is φ = 278521152000.

The previous prime is 1044454439999. The next prime is 1044454440011. The reversal of 1044454440000 is 444544401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 1044454440000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4231894 + ... + 4471893.

Almost surely, 2^{1044454440000} is an apocalyptic number.

1044454440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044454440000 is an abundant number, since it is smaller than the sum of its proper divisors (2408756041424).

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

1044454440000 is an frugal number, since it uses more digits than its factorization.

1044454440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703822 (or 8703797 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 1044454440000 its reverse (444544401), we get a palindrome (1044898984401).

The spelling of 1044454440000 in words is "one trillion, forty-four billion, four hundred fifty-four million, four hundred forty thousand".