404255533444023 has 16 divisors (see below), whose sum is σ = 547053127234560. Its totient is φ = 265480827000576.

The previous prime is 404255533444001. The next prime is 404255533444039. The reversal of 404255533444023 is 320444335552404.

It is a happy number.

It is not a de Polignac number, because 404255533444023 - 2⁶ = 404255533443959 is a prime.

It is a super-2 number, since 2×404255533444023² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404255533444223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174785818 + ... + 177083576.

It is an arithmetic number, because the mean of its divisors is an integer number (34190820452160).

Almost surely, 2^{404255533444023} is an apocalyptic number.

404255533444023 is a deficient number, since it is larger than the sum of its proper divisors (142797593790537).

404255533444023 is a wasteful number, since it uses less digits than its factorization.

404255533444023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173126.

The product of its (nonzero) digits is 13824000, while the sum is 48.

Adding to 404255533444023 its reverse (320444335552404), we get a palindrome (724699868996427).

The spelling of 404255533444023 in words is "four hundred four trillion, two hundred fifty-five billion, five hundred thirty-three million, four hundred forty-four thousand, twenty-three".