404100101220443 has 4 divisors (see below), whose sum is σ = 405834436419048. Its totient is φ = 402365766021840.

The previous prime is 404100101220427. The next prime is 404100101220469. The reversal of 404100101220443 is 344022101001404.

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

It is a cyclic number.

It is not a de Polignac number, because 404100101220443 - 2⁴ = 404100101220427 is a prime.

It is a super-2 number, since 2×404100101220443² (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 (404100101223443) 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, 867167598953 + ... + 867167599418.

It is an arithmetic number, because the mean of its divisors is an integer number (101458609104762).

Almost surely, 2^{404100101220443} is an apocalyptic number.

404100101220443 is a deficient number, since it is larger than the sum of its proper divisors (1734335198605).

404100101220443 is a wasteful number, since it uses less digits than its factorization.

404100101220443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734335198604.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 404100101220443 its reverse (344022101001404), we get a palindrome (748122202221847).

The spelling of 404100101220443 in words is "four hundred four trillion, one hundred billion, one hundred one million, two hundred twenty thousand, four hundred forty-three".