3603441644640 has 288 divisors, whose sum is σ = 12922797023136. Its totient is φ = 913203486720.

The previous prime is 3603441644633. The next prime is 3603441644689. The reversal of 3603441644640 is 464461443063.

3603441644640 is a `hidden beast` number, since 3 + 60 + 34 + 41 + 64 + 464 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1504620 + ... + 3077460.

It is an arithmetic number, because the mean of its divisors is an integer number (44870822997).

Almost surely, 2^{3603441644640} is an apocalyptic number.

3603441644640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3603441644640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6461398511568).

3603441644640 is an abundant number, since it is smaller than the sum of its proper divisors (9319355378496).

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

3603441644640 is a wasteful number, since it uses less digits than its factorization.

3603441644640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572942 (or 1572931 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

The spelling of 3603441644640 in words is "three trillion, six hundred three billion, four hundred forty-one million, six hundred forty-four thousand, six hundred forty".