404211434142401 has 4 divisors (see below), whose sum is σ = 404227656482772. Its totient is φ = 404195211802032.

The previous prime is 404211434142377. The next prime is 404211434142431. The reversal of 404211434142401 is 104241434112404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 301808064645376 + 102403369497025 = 17372624^2 + 10119455^2 .

It is a cyclic number.

It is not a de Polignac number, because 404211434142401 - 2¹⁰ = 404211434141377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404211434142431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8111132810 + ... + 8111182643.

It is an arithmetic number, because the mean of its divisors is an integer number (101056914120693).

Almost surely, 2^{404211434142401} is an apocalyptic number.

It is an amenable number.

404211434142401 is a deficient number, since it is larger than the sum of its proper divisors (16222340371).

404211434142401 is a wasteful number, since it uses less digits than its factorization.

404211434142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16222340370.

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 404211434142401 its reverse (104241434112404), we get a palindrome (508452868254805).

The spelling of 404211434142401 in words is "four hundred four trillion, two hundred eleven billion, four hundred thirty-four million, one hundred forty-two thousand, four hundred one".