404443544416231 has 4 divisors (see below), whose sum is σ = 404600366266200. Its totient is φ = 404286722566264.

The previous prime is 404443544416211. The next prime is 404443544416267. The reversal of 404443544416231 is 132614445344404.

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 404443544416231 - 2¹⁹ = 404443543891943 is a prime.

It is a super-2 number, since 2×404443544416231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404443544416211) 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, 78410921116 + ... + 78410926273.

It is an arithmetic number, because the mean of its divisors is an integer number (101150091566550).

Almost surely, 2^{404443544416231} is an apocalyptic number.

404443544416231 is a deficient number, since it is larger than the sum of its proper divisors (156821849969).

404443544416231 is a wasteful number, since it uses less digits than its factorization.

404443544416231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156821849968.

The product of its (nonzero) digits is 8847360, while the sum is 49.

The spelling of 404443544416231 in words is "four hundred four trillion, four hundred forty-three billion, five hundred forty-four million, four hundred sixteen thousand, two hundred thirty-one".