8444620284 has 24 divisors (see below), whose sum is σ = 20123351808. Its totient is φ = 2754982320.

The previous prime is 8444620241. The next prime is 8444620399. The reversal of 8444620284 is 4820264448.

It is a happy number.

It is a super-2 number, since 2×8444620284² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7485802 + ... + 7486929.

It is an arithmetic number, because the mean of its divisors is an integer number (838472992).

Almost surely, 2^8444620284 is an apocalyptic number.

It is an amenable number.

8444620284 is an abundant number, since it is smaller than the sum of its proper divisors (11678731524).

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

8444620284 is a wasteful number, since it uses less digits than its factorization.

8444620284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972785 (or 14972783 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 42.

The square root of 8444620284 is about 91894.6150979479. The cubic root of 8444620284 is about 2036.3857158584.

The spelling of 8444620284 in words is "eight billion, four hundred forty-four million, six hundred twenty thousand, two hundred eighty-four".