404441142431 has 16 divisors (see below), whose sum is σ = 424259529408. Its totient is φ = 384809779200.

The previous prime is 404441142421. The next prime is 404441142541. The reversal of 404441142431 is 134241144404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404441142431 is a prime.

It is a super-2 number, since 2×404441142431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404441142401) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 34796801 + ... + 34808421.

It is an arithmetic number, because the mean of its divisors is an integer number (26516220588).

Almost surely, 2^404441142431 is an apocalyptic number.

404441142431 is a deficient number, since it is larger than the sum of its proper divisors (19818386977).

404441142431 is a wasteful number, since it uses less digits than its factorization.

404441142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19522.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 404441142431 its reverse (134241144404), we get a palindrome (538682286835).

The spelling of 404441142431 in words is "four hundred four billion, four hundred forty-one million, one hundred forty-two thousand, four hundred thirty-one".