12404409332 has 24 divisors (see below), whose sum is σ = 24864845376. Its totient is φ = 5304169728.

The previous prime is 12404409323. The next prime is 12404409371. The reversal of 12404409332 is 23390440421.

12404409332 is a modest number, since divided by 409332 gives 12404 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487613 + ... + 512420.

It is an arithmetic number, because the mean of its divisors is an integer number (1036035224).

Almost surely, 2^12404409332 is an apocalyptic number.

It is an amenable number.

12404409332 is an abundant number, since it is smaller than the sum of its proper divisors (12460436044).

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

12404409332 is a wasteful number, since it uses less digits than its factorization.

12404409332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000487 (or 1000485 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 12404409332 its reverse (23390440421), we get a palindrome (35794849753).

The spelling of 12404409332 in words is "twelve billion, four hundred four million, four hundred nine thousand, three hundred thirty-two".