2868450320 has 80 divisors (see below), whose sum is σ = 6994038960. Its totient is φ = 1092575232.

The previous prime is 2868450317. The next prime is 2868450353. The reversal of 2868450320 is 230548682.

It can be written as a sum of positive squares in 8 ways, for example, as 30118144 + 2838332176 = 5488^2 + 53276^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160892 + ... + 177828.

It is an arithmetic number, because the mean of its divisors is an integer number (87425487).

Almost surely, 2^2868450320 is an apocalyptic number.

2868450320 is a gapful number since it is divisible by the number (20) 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 2868450320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3497019480).

2868450320 is an abundant number, since it is smaller than the sum of its proper divisors (4125588640).

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

2868450320 is a wasteful number, since it uses less digits than its factorization.

2868450320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17052 (or 17046 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 2868450320 is about 53557.9155681025. The cubic root of 2868450320 is about 1420.8528765229.

The spelling of 2868450320 in words is "two billion, eight hundred sixty-eight million, four hundred fifty thousand, three hundred twenty".