3540745664064 has 84 divisors (see below), whose sum is σ = 11598752178624. Its totient is φ = 1011641617152.

The previous prime is 3540745664047. The next prime is 3540745664089. The reversal of 3540745664064 is 4604665470453.

It is a happy number.

3540745664064 is a `hidden beast` number, since 3 + 5 + 4 + 0 + 74 + 566 + 4 + 0 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a self number, because there is not a number n which added to its sum of digits gives 3540745664064.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439076532 + ... + 439084595.

Almost surely, 2^{3540745664064} is an apocalyptic number.

It is an amenable number.

3540745664064 is an abundant number, since it is smaller than the sum of its proper divisors (8058006514560).

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

3540745664064 is a wasteful number, since it uses less digits than its factorization.

3540745664064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878161152 (or 878161139 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 54.

The spelling of 3540745664064 in words is "three trillion, five hundred forty billion, seven hundred forty-five million, six hundred sixty-four thousand, sixty-four".