401223260404 has 24 divisors (see below), whose sum is σ = 703555657056. Its totient is φ = 200207484000.

The previous prime is 401223260351. The next prime is 401223260407. The reversal of 401223260404 is 404062322104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401223260407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17670699 + ... + 17693389.

It is an arithmetic number, because the mean of its divisors is an integer number (29314819044).

Almost surely, 2^401223260404 is an apocalyptic number.

It is an amenable number.

401223260404 is a deficient number, since it is larger than the sum of its proper divisors (302332396652).

401223260404 is a wasteful number, since it uses less digits than its factorization.

401223260404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31407 (or 31405 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 401223260404 its reverse (404062322104), we get a palindrome (805285582508).

The spelling of 401223260404 in words is "four hundred one billion, two hundred twenty-three million, two hundred sixty thousand, four hundred four".