8281144424 has 32 divisors (see below), whose sum is σ = 18080133120. Its totient is φ = 3482097216.

The previous prime is 8281144369. The next prime is 8281144493. The reversal of 8281144424 is 4244411828.

It is a super-2 number, since 2×8281144424² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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 in 7 ways as a sum of consecutive naturals, for example, 1392104 + ... + 1398039.

It is an arithmetic number, because the mean of its divisors is an integer number (565004160).

Almost surely, 2^8281144424 is an apocalyptic number.

It is an amenable number.

8281144424 is an abundant number, since it is smaller than the sum of its proper divisors (9798988696).

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

8281144424 is a wasteful number, since it uses less digits than its factorization.

8281144424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790209 (or 2790205 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 8281144424 is about 91000.7935350017. The cubic root of 8281144424 is about 2023.1594859500.

The spelling of 8281144424 in words is "eight billion, two hundred eighty-one million, one hundred forty-four thousand, four hundred twenty-four".