12440421014 has 8 divisors (see below), whose sum is σ = 21326436048. Its totient is φ = 5331609000.

The previous prime is 12440421001. The next prime is 12440421047. The reversal of 12440421014 is 41012404421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444300737 + ... + 444300764.

It is an arithmetic number, because the mean of its divisors is an integer number (2665804506).

Almost surely, 2^12440421014 is an apocalyptic number.

12440421014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12440421014 is a deficient number, since it is larger than the sum of its proper divisors (8886015034).

12440421014 is an equidigital number, since it uses as much as digits as its factorization.

12440421014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888601510.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12440421014 its reverse (41012404421), we get a palindrome (53452825435).

The spelling of 12440421014 in words is "twelve billion, four hundred forty million, four hundred twenty-one thousand, fourteen".