2645052251532 has 24 divisors (see below), whose sum is σ = 6183589344576. Its totient is φ = 879998261328.

The previous prime is 2645052251503. The next prime is 2645052251539. The reversal of 2645052251532 is 2351522505462.

It is not an unprimeable number, because it can be changed into a prime (2645052251539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210721278 + ... + 210733829.

It is an arithmetic number, because the mean of its divisors is an integer number (257649556024).

Almost surely, 2^{2645052251532} is an apocalyptic number.

It is an amenable number.

2645052251532 is an abundant number, since it is smaller than the sum of its proper divisors (3538537093044).

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

2645052251532 is a wasteful number, since it uses less digits than its factorization.

2645052251532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421455637 (or 421455635 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 2645052251532 its reverse (2351522505462), we get a palindrome (4996574756994).

The spelling of 2645052251532 in words is "two trillion, six hundred forty-five billion, fifty-two million, two hundred fifty-one thousand, five hundred thirty-two".