13644093340 has 12 divisors (see below), whose sum is σ = 28652596056. Its totient is φ = 5457637328.

The previous prime is 13644093301. The next prime is 13644093341. The reversal of 13644093340 is 4339044631.

It is a happy number.

It is a super-2 number, since 2×13644093340² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13644093340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13644093341) 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, 341102314 + ... + 341102353.

It is an arithmetic number, because the mean of its divisors is an integer number (2387716338).

Almost surely, 2^13644093340 is an apocalyptic number.

13644093340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13644093340 is an abundant number, since it is smaller than the sum of its proper divisors (15008502716).

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

13644093340 is a wasteful number, since it uses less digits than its factorization.

13644093340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682204676 (or 682204674 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 13644093340 in words is "thirteen billion, six hundred forty-four million, ninety-three thousand, three hundred forty".