4045645066365 has 24 divisors (see below), whose sum is σ = 8014230227328. Its totient is φ = 1849437744480.

The previous prime is 4045645066361. The next prime is 4045645066403. The reversal of 4045645066365 is 5636605465404.

4045645066365 is a `hidden beast` number, since 4 + 0 + 45 + 64 + 506 + 6 + 36 + 5 = 666.

It is not a de Polignac number, because 4045645066365 - 2² = 4045645066361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045645066361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6421658521 + ... + 6421659150.

It is an arithmetic number, because the mean of its divisors is an integer number (333926259472).

Almost surely, 2^{4045645066365} is an apocalyptic number.

4045645066365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4045645066365 is a deficient number, since it is larger than the sum of its proper divisors (3968585160963).

4045645066365 is a wasteful number, since it uses less digits than its factorization.

4045645066365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12843317689 (or 12843317686 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 54.

The spelling of 4045645066365 in words is "four trillion, forty-five billion, six hundred forty-five million, sixty-six thousand, three hundred sixty-five".