404021100121044 has 96 divisors (see below), whose sum is σ = 1104118447251456. Its totient is φ = 112573096293120.

The previous prime is 404021100121039. The next prime is 404021100121061. The reversal of 404021100121044 is 440121001120404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15543024 + ... + 32397959.

It is an arithmetic number, because the mean of its divisors is an integer number (11501233825536).

Almost surely, 2^{404021100121044} is an apocalyptic number.

It is an amenable number.

404021100121044 is an abundant number, since it is smaller than the sum of its proper divisors (700097347130412).

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

404021100121044 is a wasteful number, since it uses less digits than its factorization.

404021100121044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47943485 (or 47943483 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 404021100121044 its reverse (440121001120404), we get a palindrome (844142101241448).

The spelling of 404021100121044 in words is "four hundred four trillion, twenty-one billion, one hundred million, one hundred twenty-one thousand, forty-four".