8244400252 has 12 divisors (see below), whose sum is σ = 15739309656. Its totient is φ = 3747454640.

The previous prime is 8244400247. The next prime is 8244400271. The reversal of 8244400252 is 2520044428.

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 3 ways as a sum of consecutive naturals, for example, 93686323 + ... + 93686410.

It is an arithmetic number, because the mean of its divisors is an integer number (1311609138).

Almost surely, 2^8244400252 is an apocalyptic number.

It is an amenable number.

8244400252 is a deficient number, since it is larger than the sum of its proper divisors (7494909404).

8244400252 is a wasteful number, since it uses less digits than its factorization.

8244400252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187372748 (or 187372746 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 8244400252 is about 90798.6797921644. The cubic root of 8244400252 is about 2020.1627366196.

The spelling of 8244400252 in words is "eight billion, two hundred forty-four million, four hundred thousand, two hundred fifty-two".