8442347544 has 48 divisors (see below), whose sum is σ = 22913743320. Its totient is φ = 2808078720.

The previous prime is 8442347519. The next prime is 8442347579. The reversal of 8442347544 is 4457432448.

8442347544 is a `hidden beast` number, since 8 + 44 + 23 + 47 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8442347544.

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 11 ways as a sum of consecutive naturals, for example, 91917 + ... + 159164.

Almost surely, 2^8442347544 is an apocalyptic number.

It is an amenable number.

8442347544 is an abundant number, since it is smaller than the sum of its proper divisors (14471395776).

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

8442347544 is a wasteful number, since it uses less digits than its factorization.

8442347544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251560 (or 251553 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 45.

The square root of 8442347544 is about 91882.2482528589. The cubic root of 8442347544 is about 2036.2030121417.

The spelling of 8442347544 in words is "eight billion, four hundred forty-two million, three hundred forty-seven thousand, five hundred forty-four".