400321343404 has 6 divisors (see below), whose sum is σ = 700562350964. Its totient is φ = 200160671700.

The previous prime is 400321343393. The next prime is 400321343407. The reversal of 400321343404 is 404343123004.

It is not an unprimeable number, because it can be changed into a prime (400321343407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50040167922 + ... + 50040167929.

Almost surely, 2^400321343404 is an apocalyptic number.

It is an amenable number.

400321343404 is a deficient number, since it is larger than the sum of its proper divisors (300241007560).

400321343404 is a wasteful number, since it uses less digits than its factorization.

400321343404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100080335855 (or 100080335853 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 400321343404 its reverse (404343123004), we get a palindrome (804664466408).

The spelling of 400321343404 in words is "four hundred billion, three hundred twenty-one million, three hundred forty-three thousand, four hundred four".