12426440064260 has 24 divisors (see below), whose sum is σ = 26095595299200. Its totient is φ = 4970562470624.

The previous prime is 12426440064253. The next prime is 12426440064289. The reversal of 12426440064260 is 6246004462421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10154891 + ... + 11312589.

It is an arithmetic number, because the mean of its divisors is an integer number (1087316470800).

Almost surely, 2^{12426440064260} is an apocalyptic number.

12426440064260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12426440064260 is an abundant number, since it is smaller than the sum of its proper divisors (13669155234940).

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

12426440064260 is a wasteful number, since it uses less digits than its factorization.

12426440064260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694395 (or 1694393 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 12426440064260 in words is "twelve trillion, four hundred twenty-six billion, four hundred forty million, sixty-four thousand, two hundred sixty".