2644650652 has 12 divisors (see below), whose sum is σ = 5289301360. Its totient is φ = 1133421696.

The previous prime is 2644650623. The next prime is 2644650677. The reversal of 2644650652 is 2560564462.

2644650652 is an admirable number.

It is a super-2 number, since 2×2644650652² = 13988354142248050208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47225877 + ... + 47225932.

Almost surely, 2^2644650652 is an apocalyptic number.

It is an amenable number.

2644650652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2644650652 is a wasteful number, since it uses less digits than its factorization.

2644650652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94451820 (or 94451818 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 2644650652 is about 51426.1669969676. The cubic root of 2644650652 is about 1382.8957349045.

The spelling of 2644650652 in words is "two billion, six hundred forty-four million, six hundred fifty thousand, six hundred fifty-two".