3645492648576 has 128 divisors (see below), whose sum is σ = 9720034430400. Its totient is φ = 1210562592768.

The previous prime is 3645492648517. The next prime is 3645492648593. The reversal of 3645492648576 is 6758462945463.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 3645492648576.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444080760 + ... + 444088968.

Almost surely, 2^{3645492648576} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3645492648576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4860017215200).

3645492648576 is an abundant number, since it is smaller than the sum of its proper divisors (6074541781824).

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

3645492648576 is a wasteful number, since it uses less digits than its factorization.

3645492648576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12466 (or 12454 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 69.

The spelling of 3645492648576 in words is "three trillion, six hundred forty-five billion, four hundred ninety-two million, six hundred forty-eight thousand, five hundred seventy-six".