2444187442 has 8 divisors (see below), whose sum is σ = 3699917100. Its totient is φ = 1210881744.

The previous prime is 2444187439. The next prime is 2444187443. The reversal of 2444187442 is 2447814442.

It can be written as a sum of positive squares in 2 ways, for example, as 2429602681 + 14584761 = 49291^2 + 3819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2444187395 and 2444187404.

It is not an unprimeable number, because it can be changed into a prime (2444187443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5605717 + ... + 5606152.

Almost surely, 2^2444187442 is an apocalyptic number.

2444187442 is a deficient number, since it is larger than the sum of its proper divisors (1255729658).

2444187442 is a wasteful number, since it uses less digits than its factorization.

2444187442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11211980.

The product of its digits is 229376, while the sum is 40.

The square root of 2444187442 is about 49438.7241137957. The cubic root of 2444187442 is about 1347.0327957393.

The spelling of 2444187442 in words is "two billion, four hundred forty-four million, one hundred eighty-seven thousand, four hundred forty-two".