3540442121671 has 16 divisors (see below), whose sum is σ = 4361864378368. Its totient is φ = 2798402191200.

The previous prime is 3540442121663. The next prime is 3540442121753. The reversal of 3540442121671 is 1761212440453.

3540442121671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3540442121671 - 2³ = 3540442121663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540442121971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19539465 + ... + 19719826.

It is an arithmetic number, because the mean of its divisors is an integer number (272616523648).

Almost surely, 2^{3540442121671} is an apocalyptic number.

3540442121671 is a deficient number, since it is larger than the sum of its proper divisors (821422256697).

3540442121671 is a wasteful number, since it uses less digits than its factorization.

3540442121671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39260302.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 3540442121671 in words is "three trillion, five hundred forty billion, four hundred forty-two million, one hundred twenty-one thousand, six hundred seventy-one".