1404112211440 has 80 divisors (see below), whose sum is σ = 3279420237600. Its totient is φ = 559094168576.

The previous prime is 1404112211413. The next prime is 1404112211443. The reversal of 1404112211440 is 441122114041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1404112211440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404112211443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15795759 + ... + 15884401.

It is an arithmetic number, because the mean of its divisors is an integer number (40992752970).

Almost surely, 2^{1404112211440} is an apocalyptic number.

1404112211440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404112211440 is an abundant number, since it is smaller than the sum of its proper divisors (1875308026160).

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

1404112211440 is a wasteful number, since it uses less digits than its factorization.

1404112211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89554 (or 89548 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1404112211440 its reverse (441122114041), we get a palindrome (1845234325481).

The spelling of 1404112211440 in words is "one trillion, four hundred four billion, one hundred twelve million, two hundred eleven thousand, four hundred forty".