2444782538 has 16 divisors (see below), whose sum is σ = 4007101536. Its totient is φ = 1109445840.

The previous prime is 2444782477. The next prime is 2444782553. The reversal of 2444782538 is 8352874442.

2444782538 is digitally balanced in base 2, because in such base 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 = 2444782492 and 2444782501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77156 + ... + 104127.

It is an arithmetic number, because the mean of its divisors is an integer number (250443846).

Almost surely, 2^2444782538 is an apocalyptic number.

2444782538 is a deficient number, since it is larger than the sum of its proper divisors (1562318998).

2444782538 is a wasteful number, since it uses less digits than its factorization.

2444782538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181909.

The product of its digits is 1720320, while the sum is 47.

The square root of 2444782538 is about 49444.7422685163. The cubic root of 2444782538 is about 1347.1421093386.

The spelling of 2444782538 in words is "two billion, four hundred forty-four million, seven hundred eighty-two thousand, five hundred thirty-eight".