404512027920031 has 2 divisors, whose sum is σ = 404512027920032. Its totient is φ = 404512027920030.

The previous prime is 404512027920029. The next prime is 404512027920041. The reversal of 404512027920031 is 130029720215404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404512027920031 - 2¹ = 404512027920029 is a prime.

It is a super-4 number, since 4×404512027920031⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 404512027920029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404512027920041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202256013960015 + 202256013960016.

It is an arithmetic number, because the mean of its divisors is an integer number (202256013960016).

Almost surely, 2^{404512027920031} is an apocalyptic number.

404512027920031 is a deficient number, since it is larger than the sum of its proper divisors (1).

404512027920031 is an equidigital number, since it uses as much as digits as its factorization.

404512027920031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 404512027920031 in words is "four hundred four trillion, five hundred twelve billion, twenty-seven million, nine hundred twenty thousand, thirty-one".