404441423432 has 8 divisors (see below), whose sum is σ = 758327668950. Its totient is φ = 202220711712.

The previous prime is 404441423423. The next prime is 404441423453. The reversal of 404441423432 is 234324144404.

It can be written as a sum of positive squares in only one way, i.e., 219123227236 + 185318196196 = 468106^2 + 430486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 404441423392 and 404441423401.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25277588957 + ... + 25277588972.

Almost surely, 2^404441423432 is an apocalyptic number.

It is an amenable number.

404441423432 is a deficient number, since it is larger than the sum of its proper divisors (353886245518).

404441423432 is a wasteful number, since it uses less digits than its factorization.

404441423432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50555177935 (or 50555177931 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 404441423432 its reverse (234324144404), we get a palindrome (638765567836).

The spelling of 404441423432 in words is "four hundred four billion, four hundred forty-one million, four hundred twenty-three thousand, four hundred thirty-two".