8924534640 has 540 divisors, whose sum is σ = 36308330136. Its totient is φ = 2034014976.

The previous prime is 8924534623. The next prime is 8924534677. The reversal of 8924534640 is 464354298.

8924534640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 107 ways as a sum of consecutive naturals, for example, 25718947 + ... + 25719293.

Almost surely, 2^8924534640 is an apocalyptic number.

8924534640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8924534640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18154165068).

8924534640 is an abundant number, since it is smaller than the sum of its proper divisors (27383795496).

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

8924534640 is an equidigital number, since it uses as much as digits as its factorization.

8924534640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 364 counting only the distinct ones).

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

The square root of 8924534640 is about 94469.7551600511. The cubic root of 8924534640 is about 2074.2536350869.

The spelling of 8924534640 in words is "eight billion, nine hundred twenty-four million, five hundred thirty-four thousand, six hundred forty".