9358240644 has 81 divisors (see below), whose sum is σ = 24764099269. Its totient is φ = 2979530400.

The previous prime is 9358240583. The next prime is 9358240649. The reversal of 9358240644 is 4460428539.

The square root of 9358240644 is 96738.

It is a perfect power (a square), and thus also a powerful number.

9358240644 is a `hidden beast` number, since 9 + 3 + 582 + 4 + 0 + 64 + 4 = 666.

9358240644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8070866244 + 1287374400 = 89838^2 + 35880^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9358240644.

It is not an unprimeable number, because it can be changed into a prime (9358240649) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 13349494 + ... + 13350194.

Almost surely, 2^9358240644 is an apocalyptic number.

9358240644 is the 96738-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9358240644

9358240644 is an abundant number, since it is smaller than the sum of its proper divisors (15405858625).

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

9358240644 is a wasteful number, since it uses less digits than its factorization.

9358240644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The cubic root of 9358240644 is about 2107.3244348289.

The spelling of 9358240644 in words is "nine billion, three hundred fifty-eight million, two hundred forty thousand, six hundred forty-four".