12400363008 has 160 divisors (see below), whose sum is σ = 40043329920. Its totient is φ = 3757639680.

The previous prime is 12400362983. The next prime is 12400363049. The reversal of 12400363008 is 80036300421.

It is a happy number.

12400363008 is a `hidden beast` number, since 1 + 24 + 0 + 0 + 3 + 630 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111291 + ... + 192837.

It is an arithmetic number, because the mean of its divisors is an integer number (250270812).

Almost surely, 2^12400363008 is an apocalyptic number.

12400363008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12400363008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20021664960).

12400363008 is an abundant number, since it is smaller than the sum of its proper divisors (27642966912).

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

12400363008 is an equidigital number, since it uses as much as digits as its factorization.

12400363008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81585 (or 81563 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12400363008 its reverse (80036300421), we get a palindrome (92436663429).

The spelling of 12400363008 in words is "twelve billion, four hundred million, three hundred sixty-three thousand, eight".