3645325427744 has 96 divisors (see below), whose sum is σ = 9635895271296. Its totient is φ = 1311006136320.

The previous prime is 3645325427743. The next prime is 3645325427801. The reversal of 3645325427744 is 4477245235463.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 3645325427744.

It is not an unprimeable number, because it can be changed into a prime (3645325427743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56869277 + ... + 56933340.

It is an arithmetic number, because the mean of its divisors is an integer number (100373909076).

Almost surely, 2^{3645325427744} is an apocalyptic number.

It is an amenable number.

3645325427744 is an abundant number, since it is smaller than the sum of its proper divisors (5990569843552).

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

3645325427744 is a wasteful number, since it uses less digits than its factorization.

3645325427744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113802658 (or 113802650 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 56.

The spelling of 3645325427744 in words is "three trillion, six hundred forty-five billion, three hundred twenty-five million, four hundred twenty-seven thousand, seven hundred forty-four".