1004401334000 has 160 divisors (see below), whose sum is σ = 2495826715200. Its totient is φ = 390660019200.

The previous prime is 1004401333997. The next prime is 1004401334087. The reversal of 1004401334000 is 4331044001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161242886 + ... + 161249114.

It is an arithmetic number, because the mean of its divisors is an integer number (15598916970).

Almost surely, 2^{1004401334000} is an apocalyptic number.

1004401334000 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 1004401334000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247913357600).

1004401334000 is an abundant number, since it is smaller than the sum of its proper divisors (1491425381200).

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

1004401334000 is a wasteful number, since it uses less digits than its factorization.

1004401334000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8468 (or 8452 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1004401334000 its reverse (4331044001), we get a palindrome (1008732378001).

The spelling of 1004401334000 in words is "one trillion, four billion, four hundred one million, three hundred thirty-four thousand".