5645066450040 has 96 divisors (see below), whose sum is σ = 18352270001520. Its totient is φ = 1504874824704.

The previous prime is 5645066450039. The next prime is 5645066450053. The reversal of 5645066450040 is 400546605465.

5645066450040 is a `hidden beast` number, since 5 + 6 + 45 + 0 + 6 + 64 + 500 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1340097 + ... + 3617456.

Almost surely, 2^{5645066450040} is an apocalyptic number.

It is an amenable number.

5645066450040 is an abundant number, since it is smaller than the sum of its proper divisors (12707203551480).

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

5645066450040 is a wasteful number, since it uses less digits than its factorization.

5645066450040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960733 (or 4960726 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 5645066450040 in words is "five trillion, six hundred forty-five billion, sixty-six million, four hundred fifty thousand, forty".