13544403402 has 8 divisors (see below), whose sum is σ = 27088806816. Its totient is φ = 4514801132.

The previous prime is 13544403371. The next prime is 13544403419. The reversal of 13544403402 is 20430444531.

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

13544403402 is an admirable number.

It is a super-2 number, since 2×13544403402² (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 13544403402.

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, 1128700278 + ... + 1128700289.

It is an arithmetic number, because the mean of its divisors is an integer number (3386100852).

Almost surely, 2^13544403402 is an apocalyptic number.

13544403402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13544403402 is a wasteful number, since it uses less digits than its factorization.

13544403402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257400572.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 13544403402 its reverse (20430444531), we get a palindrome (33974847933).

The spelling of 13544403402 in words is "thirteen billion, five hundred forty-four million, four hundred three thousand, four hundred two".