3540442121672 has 16 divisors (see below), whose sum is σ = 6639391714560. Its totient is φ = 1769937664464.

The previous prime is 3540442121663. The next prime is 3540442121753. The reversal of 3540442121672 is 2761212440453.

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 3 ways as a sum of consecutive naturals, for example, 35371448 + ... + 35471399.

It is an arithmetic number, because the mean of its divisors is an integer number (414961982160).

Almost surely, 2^{3540442121672} is an apocalyptic number.

It is an amenable number.

3540442121672 is a deficient number, since it is larger than the sum of its proper divisors (3098949592888).

3540442121672 is a wasteful number, since it uses less digits than its factorization.

3540442121672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70849100 (or 70849096 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 3540442121672 in words is "three trillion, five hundred forty billion, four hundred forty-two million, one hundred twenty-one thousand, six hundred seventy-two".