12400440111432 has 48 divisors (see below), whose sum is σ = 33708453492480. Its totient is φ = 4118227336800.

The previous prime is 12400440111427. The next prime is 12400440111461. The reversal of 12400440111432 is 23411104400421.

12400440111432 is a `hidden beast` number, since 1 + 240 + 0 + 4 + 401 + 1 + 14 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12400440111396 and 12400440111405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317744944 + ... + 317783967.

It is an arithmetic number, because the mean of its divisors is an integer number (702259447760).

Almost surely, 2^{12400440111432} is an apocalyptic number.

12400440111432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12400440111432 is an abundant number, since it is smaller than the sum of its proper divisors (21308013381048).

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

12400440111432 is a wasteful number, since it uses less digits than its factorization.

12400440111432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635529194 (or 635529187 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 12400440111432 its reverse (23411104400421), we get a palindrome (35811544511853).

The spelling of 12400440111432 in words is "twelve trillion, four hundred billion, four hundred forty million, one hundred eleven thousand, four hundred thirty-two".