2645452523044 has 24 divisors (see below), whose sum is σ = 4718858860800. Its totient is φ = 1297227950304.

The previous prime is 2645452523027. The next prime is 2645452523059. The reversal of 2645452523044 is 4403252545462.

It is a junction number, because it is equal to n+sod(n) for n = 2645452522985 and 2645452523003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092194 + ... + 3109369.

It is an arithmetic number, because the mean of its divisors is an integer number (196619119200).

Almost surely, 2^{2645452523044} is an apocalyptic number.

It is an amenable number.

2645452523044 is a deficient number, since it is larger than the sum of its proper divisors (2073406337756).

2645452523044 is a wasteful number, since it uses less digits than its factorization.

2645452523044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204019 (or 5204017 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 46.

The spelling of 2645452523044 in words is "two trillion, six hundred forty-five billion, four hundred fifty-two million, five hundred twenty-three thousand, forty-four".