2868621480 has 160 divisors (see below), whose sum is σ = 10209113640. Its totient is φ = 719953920.

The previous prime is 2868621467. The next prime is 2868621523. The reversal of 2868621480 is 841268682.

2868621480 is a `hidden beast` number, since 286 + 86 + 214 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2068976196 + 799645284 = 45486^2 + 28278^2 .

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

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 39 ways as a sum of consecutive naturals, for example, 29040 + ... + 81120.

Almost surely, 2^2868621480 is an apocalyptic number.

2868621480 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 2868621480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5104556820).

2868621480 is an abundant number, since it is smaller than the sum of its proper divisors (7340492160).

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

2868621480 is a wasteful number, since it uses less digits than its factorization.

2868621480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52121 (or 52108 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 2868621480 is about 53559.5134406578. The cubic root of 2868621480 is about 1420.8811366535.

The spelling of 2868621480 in words is "two billion, eight hundred sixty-eight million, six hundred twenty-one thousand, four hundred eighty".