3640364040036 has 48 divisors (see below), whose sum is σ = 8788871044800. Its totient is φ = 1171373357952.

The previous prime is 3640364040031. The next prime is 3640364040059. The reversal of 3640364040036 is 6300404630463.

It is a junction number, because it is equal to n+sod(n) for n = 3640364039976 and 3640364040003.

It is not an unprimeable number, because it can be changed into a prime (3640364040031) 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, 656395 + ... + 2776973.

It is an arithmetic number, because the mean of its divisors is an integer number (183101480100).

Almost surely, 2^{3640364040036} is an apocalyptic number.

It is an amenable number.

3640364040036 is an abundant number, since it is smaller than the sum of its proper divisors (5148507004764).

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

3640364040036 is a wasteful number, since it uses less digits than its factorization.

3640364040036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125548 (or 2125546 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 39.

Adding to 3640364040036 its reverse (6300404630463), we get a palindrome (9940768670499).

The spelling of 3640364040036 in words is "three trillion, six hundred forty billion, three hundred sixty-four million, forty thousand, thirty-six".