3540220620217 has 8 divisors (see below), whose sum is σ = 3552942769376. Its totient is φ = 3527499968352.

The previous prime is 3540220620193. The next prime is 3540220620229. The reversal of 3540220620217 is 7120260220453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3540220620217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540220620817) 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 7 ways as a sum of consecutive naturals, for example, 4475653 + ... + 5206909.

It is an arithmetic number, because the mean of its divisors is an integer number (444117846172).

Almost surely, 2^{3540220620217} is an apocalyptic number.

It is an amenable number.

3540220620217 is a deficient number, since it is larger than the sum of its proper divisors (12722149159).

3540220620217 is a wasteful number, since it uses less digits than its factorization.

3540220620217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748647.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 3540220620217 in words is "three trillion, five hundred forty billion, two hundred twenty million, six hundred twenty thousand, two hundred seventeen".