2663000444 has 48 divisors (see below), whose sum is σ = 5252072448. Its totient is φ = 1172242368.

The previous prime is 2663000413. The next prime is 2663000447. The reversal of 2663000444 is 4440003662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663000447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435899 + ... + 441965.

It is an arithmetic number, because the mean of its divisors is an integer number (109418176).

Almost surely, 2^2663000444 is an apocalyptic number.

It is an amenable number.

2663000444 is a deficient number, since it is larger than the sum of its proper divisors (2589072004).

2663000444 is a wasteful number, since it uses less digits than its factorization.

2663000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 6472 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 2663000444 is about 51604.2676917326. The cubic root of 2663000444 is about 1386.0867530361.

The spelling of 2663000444 in words is "two billion, six hundred sixty-three million, four hundred forty-four", and thus it is an aban number.