13646062044 has 144 divisors (see below), whose sum is σ = 37054075968. Its totient is φ = 4219305984.

The previous prime is 13646062013. The next prime is 13646062049. The reversal of 13646062044 is 44026064631.

13646062044 is a `hidden beast` number, since 1 + 3 + 6 + 4 + 606 + 2 + 0 + 44 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13646062049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27129097 + ... + 27129599.

It is an arithmetic number, because the mean of its divisors is an integer number (257319972).

Almost surely, 2^13646062044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13646062044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18527037984).

13646062044 is an abundant number, since it is smaller than the sum of its proper divisors (23408013924).

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

13646062044 is a wasteful number, since it uses less digits than its factorization.

13646062044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 13646062044 in words is "thirteen billion, six hundred forty-six million, sixty-two thousand, forty-four".