1144646464412 has 12 divisors (see below), whose sum is σ = 2185234159416. Its totient is φ = 520293847440.

The previous prime is 1144646464399. The next prime is 1144646464427. The reversal of 1144646464412 is 2144646464411.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 13007346143 + ... + 13007346230.

It is an arithmetic number, because the mean of its divisors is an integer number (182102846618).

Almost surely, 2^{1144646464412} is an apocalyptic number.

It is an amenable number.

1144646464412 is a deficient number, since it is larger than the sum of its proper divisors (1040587695004).

1144646464412 is a wasteful number, since it uses less digits than its factorization.

1144646464412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26014692388 (or 26014692386 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 47.

Subtracting 1144646464412 from its reverse (2144646464411), we obtain a palindrome (999999999999).

The spelling of 1144646464412 in words is "one trillion, one hundred forty-four billion, six hundred forty-six million, four hundred sixty-four thousand, four hundred twelve".