12400475430 has 32 divisors (see below), whose sum is σ = 34012733184. Its totient is φ = 2834394336.

The previous prime is 12400475413. The next prime is 12400475449. The reversal of 12400475430 is 3457400421.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29524732 + ... + 29525151.

It is an arithmetic number, because the mean of its divisors is an integer number (1062897912).

Almost surely, 2^12400475430 is an apocalyptic number.

12400475430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400475430 is an abundant number, since it is smaller than the sum of its proper divisors (21612257754).

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

12400475430 is a wasteful number, since it uses less digits than its factorization.

12400475430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59049900.

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 12400475430 its reverse (3457400421), we get a palindrome (15857875851).

The spelling of 12400475430 in words is "twelve billion, four hundred million, four hundred seventy-five thousand, four hundred thirty".