404444040131 has 2 divisors, whose sum is σ = 404444040132. Its totient is φ = 404444040130.

The previous prime is 404444040083. The next prime is 404444040199. The reversal of 404444040131 is 131040444404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404444040131 - 2¹⁴ = 404444023747 is a prime.

It is a super-2 number, since 2×404444040131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404444040094 and 404444040103.

It is not a weakly prime, because it can be changed into another prime (404444040631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202222020065 + 202222020066.

It is an arithmetic number, because the mean of its divisors is an integer number (202222020066).

Almost surely, 2^404444040131 is an apocalyptic number.

404444040131 is a deficient number, since it is larger than the sum of its proper divisors (1).

404444040131 is an equidigital number, since it uses as much as digits as its factorization.

404444040131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 404444040131 its reverse (131040444404), we get a palindrome (535484484535).

The spelling of 404444040131 in words is "four hundred four billion, four hundred forty-four million, forty thousand, one hundred thirty-one".