13844820464 has 20 divisors (see below), whose sum is σ = 26826303840. Its totient is φ = 6921903360.

The previous prime is 13844820463. The next prime is 13844820481. The reversal of 13844820464 is 46402844831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13844820463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296984 + ... + 340424.

It is an arithmetic number, because the mean of its divisors is an integer number (1341315192).

Almost surely, 2^13844820464 is an apocalyptic number.

It is an amenable number.

13844820464 is a deficient number, since it is larger than the sum of its proper divisors (12981483376).

13844820464 is a wasteful number, since it uses less digits than its factorization.

13844820464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63368 (or 63362 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 13844820464 in words is "thirteen billion, eight hundred forty-four million, eight hundred twenty thousand, four hundred sixty-four".