404213024401 has 2 divisors, whose sum is σ = 404213024402. Its totient is φ = 404213024400.

The previous prime is 404213024353. The next prime is 404213024417. The reversal of 404213024401 is 104420312404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262885900176 + 141327124225 = 512724^2 + 375935^2 .

It is a cyclic number.

It is not a de Polignac number, because 404213024401 - 2⁷ = 404213024273 is a prime.

It is not a weakly prime, because it can be changed into another prime (404213024431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202106512200 + 202106512201.

It is an arithmetic number, because the mean of its divisors is an integer number (202106512201).

Almost surely, 2^404213024401 is an apocalyptic number.

It is an amenable number.

404213024401 is a deficient number, since it is larger than the sum of its proper divisors (1).

404213024401 is an equidigital number, since it uses as much as digits as its factorization.

404213024401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 404213024401 its reverse (104420312404), we get a palindrome (508633336805).

The spelling of 404213024401 in words is "four hundred four billion, two hundred thirteen million, twenty-four thousand, four hundred one".