3621332024244 has 144 divisors (see below), whose sum is σ = 10014233995584. Its totient is φ = 1094285913600.

The previous prime is 3621332024209. The next prime is 3621332024249. The reversal of 3621332024244 is 4424202331263.

3621332024244 is a `hidden beast` number, since 3 + 6 + 21 + 3 + 3 + 202 + 424 + 4 = 666.

It is a super-2 number, since 2×3621332024244² (a number of 26 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3621332024199 and 3621332024208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621332024249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209063104 + ... + 209080424.

It is an arithmetic number, because the mean of its divisors is an integer number (69543291636).

Almost surely, 2^{3621332024244} 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 3621332024244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5007116997792).

3621332024244 is an abundant number, since it is smaller than the sum of its proper divisors (6392901971340).

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

3621332024244 is a wasteful number, since it uses less digits than its factorization.

3621332024244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18798 (or 18793 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The spelling of 3621332024244 in words is "three trillion, six hundred twenty-one billion, three hundred thirty-two million, twenty-four thousand, two hundred forty-four".