12440210402 has 8 divisors (see below), whose sum is σ = 18661980096. Its totient is φ = 6219550372.

The previous prime is 12440210383. The next prime is 12440210437. The reversal of 12440210402 is 20401204421.

12440210402 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

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, 248798 + ... + 294585.

It is an arithmetic number, because the mean of its divisors is an integer number (2332747512).

Almost surely, 2^12440210402 is an apocalyptic number.

12440210402 is a deficient number, since it is larger than the sum of its proper divisors (6221769694).

12440210402 is a wasteful number, since it uses less digits than its factorization.

12440210402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554832.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12440210402 its reverse (20401204421), we get a palindrome (32841414823).

The spelling of 12440210402 in words is "twelve billion, four hundred forty million, two hundred ten thousand, four hundred two".