3580520215842 has 192 divisors, whose sum is σ = 8739874660608. Its totient is φ = 1094176512000.

The previous prime is 3580520215807. The next prime is 3580520215891. The reversal of 3580520215842 is 2485120250853.

3580520215842 is a `hidden beast` number, since 3 + 5 + 80 + 520 + 2 + 1 + 5 + 8 + 42 = 666.

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 95 ways as a sum of consecutive naturals, for example, 223900467 + ... + 223916457.

It is an arithmetic number, because the mean of its divisors is an integer number (45520180524).

Almost surely, 2^{3580520215842} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3580520215842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4369937330304).

3580520215842 is an abundant number, since it is smaller than the sum of its proper divisors (5159354444766).

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

3580520215842 is a wasteful number, since it uses less digits than its factorization.

3580520215842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16727 (or 16715 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 3580520215842 in words is "three trillion, five hundred eighty billion, five hundred twenty million, two hundred fifteen thousand, eight hundred forty-two".