8944855920 has 1200 divisors, whose sum is σ = 42672456288. Its totient is φ = 1706987520.

The previous prime is 8944855919. The next prime is 8944855957. The reversal of 8944855920 is 295584498.

It is a happy number.

8944855920 is a `hidden beast` number, since 8 + 9 + 4 + 48 + 5 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 45405262 + ... + 45405458.

Almost surely, 2^8944855920 is an apocalyptic number.

8944855920 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 8944855920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21336228144).

8944855920 is an abundant number, since it is smaller than the sum of its proper divisors (33727600368).

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

8944855920 is a wasteful number, since it uses less digits than its factorization.

8944855920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The square root of 8944855920 is about 94577.2484268812. The cubic root of 8944855920 is about 2075.8268090341.

The spelling of 8944855920 in words is "eight billion, nine hundred forty-four million, eight hundred fifty-five thousand, nine hundred twenty".