12404003408 has 20 divisors (see below), whose sum is σ = 25077659808. Its totient is φ = 5932349280.

The previous prime is 12404003407. The next prime is 12404003461. The reversal of 12404003408 is 80430040421.

It is a super-2 number, since 2×12404003408² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404003401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16852898 + ... + 16853633.

Almost surely, 2^12404003408 is an apocalyptic number.

It is an amenable number.

12404003408 is an abundant number, since it is smaller than the sum of its proper divisors (12673656400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12404003408 is a wasteful number, since it uses less digits than its factorization.

12404003408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33706562 (or 33706556 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12404003408 its reverse (80430040421), we get a palindrome (92834043829).

The spelling of 12404003408 in words is "twelve billion, four hundred four million, three thousand, four hundred eight".