12368413440 has 108 divisors (see below), whose sum is σ = 42793461984. Its totient is φ = 3298240512.

The previous prime is 12368413429. The next prime is 12368413441. The reversal of 12368413440 is 4431486321.

12368413440 is a `hidden beast` number, since 1 + 236 + 8 + 413 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12368413395 and 12368413404.

It is not an unprimeable number, because it can be changed into a prime (12368413441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525304 + ... + 548343.

Almost surely, 2^12368413440 is an apocalyptic number.

12368413440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12368413440 is an abundant number, since it is smaller than the sum of its proper divisors (30425048544).

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

12368413440 is a wasteful number, since it uses less digits than its factorization.

12368413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073674 (or 1073657 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 12368413440 its reverse (4431486321), we get a palindrome (16799899761).

The spelling of 12368413440 in words is "twelve billion, three hundred sixty-eight million, four hundred thirteen thousand, four hundred forty".