12400443110 has 64 divisors (see below), whose sum is σ = 25803054144. Its totient is φ = 4240588800.

The previous prime is 12400443109. The next prime is 12400443113. The reversal of 12400443110 is 1134400421.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400443113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3687830 + ... + 3691190.

It is an arithmetic number, because the mean of its divisors is an integer number (403172721).

Almost surely, 2^12400443110 is an apocalyptic number.

12400443110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400443110 is an abundant number, since it is smaller than the sum of its proper divisors (13402611034).

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

12400443110 is a wasteful number, since it uses less digits than its factorization.

12400443110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12400443110 its reverse (1134400421), we get a palindrome (13534843531).

The spelling of 12400443110 in words is "twelve billion, four hundred million, four hundred forty-three thousand, one hundred ten".