3619841446872 has 1024 divisors, whose sum is σ = 13181626368000. Its totient is φ = 895629975552.

The previous prime is 3619841446841. The next prime is 3619841446873. The reversal of 3619841446872 is 2786441489163.

3619841446872 is a `hidden beast` number, since 3 + 6 + 1 + 98 + 4 + 14 + 468 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3619841446873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2769579643 + ... + 2769580949.

It is an arithmetic number, because the mean of its divisors is an integer number (12872682000).

Almost surely, 2^{3619841446872} 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 3619841446872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6590813184000).

3619841446872 is an abundant number, since it is smaller than the sum of its proper divisors (9561784921128).

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

3619841446872 is a wasteful number, since it uses less digits than its factorization.

3619841446872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1515 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 3619841446872 in words is "three trillion, six hundred nineteen billion, eight hundred forty-one million, four hundred forty-six thousand, eight hundred seventy-two".