2645736452 has 24 divisors (see below), whose sum is σ = 4908248856. Its totient is φ = 1243565568.

The previous prime is 2645736451. The next prime is 2645736473. The reversal of 2645736452 is 2546375462.

It can be written as a sum of positive squares in 4 ways, for example, as 4393216 + 2641343236 = 2096^2 + 51394^2 .

It is not an unprimeable number, because it can be changed into a prime (2645736451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35198 + ... + 80810.

It is an arithmetic number, because the mean of its divisors is an integer number (204510369).

Almost surely, 2^2645736452 is an apocalyptic number.

It is an amenable number.

2645736452 is a deficient number, since it is larger than the sum of its proper divisors (2262512404).

2645736452 is a wasteful number, since it uses less digits than its factorization.

2645736452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46487 (or 46485 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 44.

The square root of 2645736452 is about 51436.7227960725. The cubic root of 2645736452 is about 1383.0849650322.

The spelling of 2645736452 in words is "two billion, six hundred forty-five million, seven hundred thirty-six thousand, four hundred fifty-two".