404021113441 has 32 divisors (see below), whose sum is σ = 469869465600. Its totient is φ = 343722804480.

The previous prime is 404021113429. The next prime is 404021113493. The reversal of 404021113441 is 144311120404.

It is not a de Polignac number, because 404021113441 - 2⁵ = 404021113409 is a prime.

It is a super-2 number, since 2×404021113441² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404025113441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49212745 + ... + 49220953.

It is an arithmetic number, because the mean of its divisors is an integer number (14683420800).

Almost surely, 2^404021113441 is an apocalyptic number.

It is an amenable number.

404021113441 is a deficient number, since it is larger than the sum of its proper divisors (65848352159).

404021113441 is a wasteful number, since it uses less digits than its factorization.

404021113441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12429.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 404021113441 its reverse (144311120404), we get a palindrome (548332233845).

The spelling of 404021113441 in words is "four hundred four billion, twenty-one million, one hundred thirteen thousand, four hundred forty-one".