5444246638 has 16 divisors (see below), whose sum is σ = 8309957040. Its totient is φ = 2674665216.

The previous prime is 5444246611. The next prime is 5444246657. The reversal of 5444246638 is 8366424445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73981 + ... + 127912.

It is an arithmetic number, because the mean of its divisors is an integer number (519372315).

Almost surely, 2^5444246638 is an apocalyptic number.

5444246638 is a deficient number, since it is larger than the sum of its proper divisors (2865710402).

5444246638 is a wasteful number, since it uses less digits than its factorization.

5444246638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202131.

The product of its digits is 2211840, while the sum is 46.

The square root of 5444246638 is about 73785.1383274437. The cubic root of 5444246638 is about 1759.1893906153.

The spelling of 5444246638 in words is "five billion, four hundred forty-four million, two hundred forty-six thousand, six hundred thirty-eight".