1404104454440 has 16 divisors (see below), whose sum is σ = 3159235022580. Its totient is φ = 561641781760.

The previous prime is 1404104454433. The next prime is 1404104454461. The reversal of 1404104454440 is 444544014041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1342080544324 + 62023910116 = 1158482^2 + 249046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1404104454440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17551305641 + ... + 17551305720.

Almost surely, 2^{1404104454440} is an apocalyptic number.

1404104454440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404104454440 is an abundant number, since it is smaller than the sum of its proper divisors (1755130568140).

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

1404104454440 is a wasteful number, since it uses less digits than its factorization.

1404104454440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35102611372 (or 35102611368 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 1404104454440 its reverse (444544014041), we get a palindrome (1848648468481).

The spelling of 1404104454440 in words is "one trillion, four hundred four billion, one hundred four million, four hundred fifty-four thousand, four hundred forty".