404090054161 has 2 divisors, whose sum is σ = 404090054162. Its totient is φ = 404090054160.

The previous prime is 404090054099. The next prime is 404090054257. The reversal of 404090054161 is 161450090404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351388128400 + 52701925761 = 592780^2 + 229569^2 .

It is a cyclic number.

It is not a de Polignac number, because 404090054161 - 2⁷ = 404090054033 is a prime.

It is not a weakly prime, because it can be changed into another prime (404090954161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202045027080 + 202045027081.

It is an arithmetic number, because the mean of its divisors is an integer number (202045027081).

Almost surely, 2^404090054161 is an apocalyptic number.

It is an amenable number.

404090054161 is a deficient number, since it is larger than the sum of its proper divisors (1).

404090054161 is an equidigital number, since it uses as much as digits as its factorization.

404090054161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 404090054161 in words is "four hundred four billion, ninety million, fifty-four thousand, one hundred sixty-one".