404444310012131 has 12 divisors (see below), whose sum is σ = 408492818547000. Its totient is φ = 400435536926400.

The previous prime is 404444310012097. The next prime is 404444310012151. The reversal of 404444310012131 is 131210013444404.

It is a de Polignac number, because none of the positive numbers 2^k-404444310012131 is a prime.

It is a super-2 number, since 2×404444310012131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404444310012151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1340760440 + ... + 1341062058.

It is an arithmetic number, because the mean of its divisors is an integer number (34041068212250).

Almost surely, 2^{404444310012131} is an apocalyptic number.

404444310012131 is a deficient number, since it is larger than the sum of its proper divisors (4048508534869).

404444310012131 is a wasteful number, since it uses less digits than its factorization.

404444310012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433270 (or 433169 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 404444310012131 its reverse (131210013444404), we get a palindrome (535654323456535).

The spelling of 404444310012131 in words is "four hundred four trillion, four hundred forty-four billion, three hundred ten million, twelve thousand, one hundred thirty-one".