1404042014421 has 24 divisors (see below), whose sum is σ = 2077631326680. Its totient is φ = 913151577600.

The previous prime is 1404042014411. The next prime is 1404042014423. The reversal of 1404042014421 is 1244102404041.

It is a happy number.

1404042014421 is a `hidden beast` number, since 1 + 40 + 40 + 420 + 144 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 58474494225 + 1345567520196 = 241815^2 + 1159986^2 .

It is not a de Polignac number, because 1404042014421 - 2⁷ = 1404042014293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404042014423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8102001 + ... + 8273481.

It is an arithmetic number, because the mean of its divisors is an integer number (86567971945).

Almost surely, 2^{1404042014421} is an apocalyptic number.

It is an amenable number.

1404042014421 is a deficient number, since it is larger than the sum of its proper divisors (673589312259).

1404042014421 is a wasteful number, since it uses less digits than its factorization.

1404042014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193717 (or 193714 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1404042014421 its reverse (1244102404041), we get a palindrome (2648144418462).

The spelling of 1404042014421 in words is "one trillion, four hundred four billion, forty-two million, fourteen thousand, four hundred twenty-one".