2444986648 has 64 divisors (see below), whose sum is σ = 5265540000. Its totient is φ = 1054328832.

The previous prime is 2444986639. The next prime is 2444986657. The reversal of 2444986648 is 8466894442.

It is an interprime number because it is at equal distance from previous prime (2444986639) and next prime (2444986657).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240778 + ... + 250726.

Almost surely, 2^2444986648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2444986648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632770000).

2444986648 is an abundant number, since it is smaller than the sum of its proper divisors (2820553352).

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

2444986648 is a wasteful number, since it uses less digits than its factorization.

2444986648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124 (or 10120 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 55.

The square root of 2444986648 is about 49446.8062467132. The cubic root of 2444986648 is about 1347.1795983613.

The spelling of 2444986648 in words is "two billion, four hundred forty-four million, nine hundred eighty-six thousand, six hundred forty-eight".