12404200554 has 12 divisors (see below), whose sum is σ = 26875767906. Its totient is φ = 4134733512.

The previous prime is 12404200547. The next prime is 12404200573. The reversal of 12404200554 is 45500240421.

12404200554 is a `hidden beast` number, since 1 + 2 + 404 + 200 + 5 + 54 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10927566225 + 1476634329 = 104535^2 + 38427^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344561109 + ... + 344561144.

Almost surely, 2^12404200554 is an apocalyptic number.

12404200554 is an abundant number, since it is smaller than the sum of its proper divisors (14471567352).

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

12404200554 is a wasteful number, since it uses less digits than its factorization.

12404200554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689122261 (or 689122258 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 12404200554 its reverse (45500240421), we get a palindrome (57904440975).

The spelling of 12404200554 in words is "twelve billion, four hundred four million, two hundred thousand, five hundred fifty-four".