404140121404 has 6 divisors (see below), whose sum is σ = 707245212464. Its totient is φ = 202070060700.

The previous prime is 404140121369. The next prime is 404140121417. The reversal of 404140121404 is 404121041404.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 50517515172 + ... + 50517515179.

Almost surely, 2^404140121404 is an apocalyptic number.

It is an amenable number.

404140121404 is a deficient number, since it is larger than the sum of its proper divisors (303105091060).

404140121404 is a wasteful number, since it uses less digits than its factorization.

404140121404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101035030355 (or 101035030353 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 404140121404 its reverse (404121041404), we get a palindrome (808261162808).

The spelling of 404140121404 in words is "four hundred four billion, one hundred forty million, one hundred twenty-one thousand, four hundred four".