8442972448 has 12 divisors (see below), whose sum is σ = 16622102070. Its totient is φ = 4221486208.

The previous prime is 8442972427. The next prime is 8442972469. The reversal of 8442972448 is 8442792448.

It is an interprime number because it is at equal distance from previous prime (8442972427) and next prime (8442972469).

It can be written as a sum of positive squares in only one way, i.e., 8334229264 + 108743184 = 91292^2 + 10428^2 .

It is a super-2 number, since 2×8442972448² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8442972395 and 8442972404.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 131921413 + ... + 131921476.

Almost surely, 2^8442972448 is an apocalyptic number.

It is an amenable number.

8442972448 is a deficient number, since it is larger than the sum of its proper divisors (8179129622).

8442972448 is a wasteful number, since it uses less digits than its factorization.

8442972448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263842899 (or 263842891 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 52.

The square root of 8442972448 is about 91885.6487597492. The cubic root of 8442972448 is about 2036.2532509332.

The spelling of 8442972448 in words is "eight billion, four hundred forty-two million, nine hundred seventy-two thousand, four hundred forty-eight".