13801405608 has 24 divisors (see below), whose sum is σ = 37378807050. Its totient is φ = 4600468512.

The previous prime is 13801405591. The next prime is 13801405627. The reversal of 13801405608 is 80650410831.

13801405608 is a `hidden beast` number, since 1 + 3 + 8 + 0 + 1 + 40 + 5 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12038917284 + 1762488324 = 109722^2 + 41982^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95843023 + ... + 95843166.

Almost surely, 2^13801405608 is an apocalyptic number.

13801405608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13801405608 is an abundant number, since it is smaller than the sum of its proper divisors (23577401442).

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

13801405608 is a wasteful number, since it uses less digits than its factorization.

13801405608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191686201 (or 191686194 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 13801405608 in words is "thirteen billion, eight hundred one million, four hundred five thousand, six hundred eight".