404334243401 has 4 divisors (see below), whose sum is σ = 441091901904. Its totient is φ = 367576584900.

The previous prime is 404334243389. The next prime is 404334243409. The reversal of 404334243401 is 104342433404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404334243401 - 2⁶ = 404334243337 is a prime.

It is a super-2 number, since 2×404334243401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404334243409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18378829235 + ... + 18378829256.

It is an arithmetic number, because the mean of its divisors is an integer number (110272975476).

Almost surely, 2^404334243401 is an apocalyptic number.

It is an amenable number.

404334243401 is a deficient number, since it is larger than the sum of its proper divisors (36757658503).

404334243401 is a wasteful number, since it uses less digits than its factorization.

404334243401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36757658502.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 404334243401 its reverse (104342433404), we get a palindrome (508676676805).

The spelling of 404334243401 in words is "four hundred four billion, three hundred thirty-four million, two hundred forty-three thousand, four hundred one".