3644541108 has 72 divisors (see below), whose sum is σ = 10231603200. Its totient is φ = 1121391648.

The previous prime is 3644541091. The next prime is 3644541119. The reversal of 3644541108 is 8011454463.

3644541108 is a `hidden beast` number, since 3 + 6 + 4 + 4 + 541 + 108 = 666.

3644541108 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81588 + ... + 118091.

It is an arithmetic number, because the mean of its divisors is an integer number (142105600).

Almost surely, 2^3644541108 is an apocalyptic number.

It is an amenable number.

3644541108 is an abundant number, since it is smaller than the sum of its proper divisors (6587062092).

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

3644541108 is a wasteful number, since it uses less digits than its factorization.

3644541108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199718 (or 199697 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 3644541108 is about 60370.0348517375. The cubic root of 3644541108 is about 1538.9137654070.

The spelling of 3644541108 in words is "three billion, six hundred forty-four million, five hundred forty-one thousand, one hundred eight".