1044504000000 has 840 divisors, whose sum is σ = 3833803270440. Its totient is φ = 273715200000.

The previous prime is 1044503999977. The next prime is 1044504000031. The reversal of 1044504000000 is 4054401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 6407999919 + ... + 6408000081.

Almost surely, 2^{1044504000000} is an apocalyptic number.

1044504000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044504000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916901635220).

1044504000000 is an abundant number, since it is smaller than the sum of its proper divisors (2789299270440).

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

1044504000000 is an frugal number, since it uses more digits than its factorization.

1044504000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 1044504000000 its reverse (4054401), we get a palindrome (1044508054401).

The spelling of 1044504000000 in words is "one trillion, forty-four billion, five hundred four million", and thus it is an aban number.