12404056406 has 32 divisors (see below), whose sum is σ = 22390560000. Its totient is φ = 5034591072.

The previous prime is 12404056363. The next prime is 12404056451. The reversal of 12404056406 is 60465040421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127420 + ... + 1138368.

It is an arithmetic number, because the mean of its divisors is an integer number (699705000).

Almost surely, 2^12404056406 is an apocalyptic number.

12404056406 is a deficient number, since it is larger than the sum of its proper divisors (9986503594).

12404056406 is a wasteful number, since it uses less digits than its factorization.

12404056406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15236.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 12404056406 its reverse (60465040421), we get a palindrome (72869096827).

The spelling of 12404056406 in words is "twelve billion, four hundred four million, fifty-six thousand, four hundred six".