8025647344 has 60 divisors (see below), whose sum is σ = 18406622248. Its totient is φ = 3367393920.

The previous prime is 8025647321. The next prime is 8025647353. The reversal of 8025647344 is 4437465208.

It is a super-2 number, since 2×8025647344² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8025647344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134274 + ... + 184609.

Almost surely, 2^8025647344 is an apocalyptic number.

It is an amenable number.

8025647344 is an abundant number, since it is smaller than the sum of its proper divisors (10380974904).

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

8025647344 is a wasteful number, since it uses less digits than its factorization.

8025647344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318926 (or 318909 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The square root of 8025647344 is about 89585.9773848564. The cubic root of 8025647344 is about 2002.1349987459.

It can be divided in two parts, 802564 and 7344, that added together give a palindrome (809908).

The spelling of 8025647344 in words is "eight billion, twenty-five million, six hundred forty-seven thousand, three hundred forty-four".