8955515520 has 1280 divisors, whose sum is σ = 40521254400. Its totient is φ = 1839366144.

The previous prime is 8955515509. The next prime is 8955515521. The reversal of 8955515520 is 255155598.

8955515520 is a `hidden beast` number, since 8 + 95 + 5 + 5 + 1 + 552 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (8955515521) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 242040942 + ... + 242040978.

It is an arithmetic number, because the mean of its divisors is an integer number (31657230).

Almost surely, 2^8955515520 is an apocalyptic number.

8955515520 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 8955515520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20260627200).

8955515520 is an abundant number, since it is smaller than the sum of its proper divisors (31565738880).

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

8955515520 is a wasteful number, since it uses less digits than its factorization.

8955515520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 45.

The square root of 8955515520 is about 94633.5855814414. The cubic root of 8955515520 is about 2076.6510704748.

The spelling of 8955515520 in words is "eight billion, nine hundred fifty-five million, five hundred fifteen thousand, five hundred twenty".