12404177400 has 48 divisors (see below), whose sum is σ = 38452951800. Its totient is φ = 3307780480.

The previous prime is 12404177393. The next prime is 12404177419. The reversal of 12404177400 is 477140421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10336215 + ... + 10337414.

Almost surely, 2^12404177400 is an apocalyptic number.

12404177400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12404177400 is an abundant number, since it is smaller than the sum of its proper divisors (26048774400).

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

12404177400 is a wasteful number, since it uses less digits than its factorization.

12404177400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20673648 (or 20673639 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The spelling of 12404177400 in words is "twelve billion, four hundred four million, one hundred seventy-seven thousand, four hundred".