3644042641614 has 128 divisors (see below), whose sum is σ = 8311471534080. Its totient is φ = 1182914502912.

The previous prime is 3644042641553. The next prime is 3644042641649. The reversal of 3644042641614 is 4161462404463.

It is a happy number.

3644042641614 is a `hidden beast` number, since 3 + 6 + 4 + 4 + 0 + 4 + 26 + 4 + 1 + 614 = 666.

It is a super-2 number, since 2×3644042641614² (a number of 26 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 3644042641614.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 432625807 + ... + 432634229.

It is an arithmetic number, because the mean of its divisors is an integer number (64933371360).

Almost surely, 2^{3644042641614} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3644042641614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155735767040).

3644042641614 is an abundant number, since it is smaller than the sum of its proper divisors (4667428892466).

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

3644042641614 is a wasteful number, since it uses less digits than its factorization.

3644042641614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311 (or 9305 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 3644042641614 in words is "three trillion, six hundred forty-four billion, forty-two million, six hundred forty-one thousand, six hundred fourteen".