404440212120232 has 8 divisors (see below), whose sum is σ = 758325397725450. Its totient is φ = 202220106060112.

The previous prime is 404440212120209. The next prime is 404440212120251. The reversal of 404440212120232 is 232021212044404.

It can be written as a sum of positive squares in only one way, i.e., 404434382186916 + 5829933316 = 20110554^2 + 76354^2 .

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

It is a super-3 number, since 3×404440212120232³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404440212120194 and 404440212120203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277513257507 + ... + 25277513257522.

Almost surely, 2^{404440212120232} is an apocalyptic number.

It is an amenable number.

404440212120232 is a deficient number, since it is larger than the sum of its proper divisors (353885185605218).

404440212120232 is a wasteful number, since it uses less digits than its factorization.

404440212120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555026515035 (or 50555026515031 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 404440212120232 its reverse (232021212044404), we get a palindrome (636461424164636).

The spelling of 404440212120232 in words is "four hundred four trillion, four hundred forty billion, two hundred twelve million, one hundred twenty thousand, two hundred thirty-two".