8315488890 has 128 divisors (see below), whose sum is σ = 23725267200. Its totient is φ = 2066238720.

The previous prime is 8315488889. The next prime is 8315488897. The reversal of 8315488890 is 988845138.

8315488890 is a `hidden beast` number, since 8 + 3 + 1 + 548 + 8 + 8 + 90 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (8315488897) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 299644 + ... + 326216.

It is an arithmetic number, because the mean of its divisors is an integer number (185353650).

Almost surely, 2^8315488890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8315488890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11862633600).

8315488890 is an abundant number, since it is smaller than the sum of its proper divisors (15409778310).

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

8315488890 is a wasteful number, since it uses less digits than its factorization.

8315488890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26669 (or 26663 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The square root of 8315488890 is about 91189.3024976066. The cubic root of 8315488890 is about 2025.9525175919.

The spelling of 8315488890 in words is "eight billion, three hundred fifteen million, four hundred eighty-eight thousand, eight hundred ninety".