2645706444 has 24 divisors (see below), whose sum is σ = 6186836208. Its totient is φ = 879970560.

The previous prime is 2645706443. The next prime is 2645706449. The reversal of 2645706444 is 4446075462.

2645706444 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2645706396 and 2645706405.

It is not an unprimeable number, because it can be changed into a prime (2645706443) 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, 235737 + ... + 246704.

It is an arithmetic number, because the mean of its divisors is an integer number (257784842).

Almost surely, 2^2645706444 is an apocalyptic number.

It is an amenable number.

2645706444 is an abundant number, since it is smaller than the sum of its proper divisors (3541129764).

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

2645706444 is a wasteful number, since it uses less digits than its factorization.

2645706444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482905 (or 482903 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The square root of 2645706444 is about 51436.4310970347. The cubic root of 2645706444 is about 1383.0797360193.

It can be divided in two parts, 2645706 and 444, that added together give a triangular number (2646150 = T₂₃₀₀).

The spelling of 2645706444 in words is "two billion, six hundred forty-five million, seven hundred six thousand, four hundred forty-four".