3640526565522 has 64 divisors (see below), whose sum is σ = 9078399433728. Its totient is φ = 945516024000.

The previous prime is 3640526565521. The next prime is 3640526565527. The reversal of 3640526565522 is 2255656250463.

It is not an unprimeable number, because it can be changed into a prime (3640526565521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5615997 + ... + 6230607.

It is an arithmetic number, because the mean of its divisors is an integer number (141849991152).

Almost surely, 2^{3640526565522} is an apocalyptic number.

3640526565522 is an abundant number, since it is smaller than the sum of its proper divisors (5437872868206).

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

3640526565522 is a wasteful number, since it uses less digits than its factorization.

3640526565522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627455.

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 3640526565522 in words is "three trillion, six hundred forty billion, five hundred twenty-six million, five hundred sixty-five thousand, five hundred twenty-two".