2866540456 has 48 divisors (see below), whose sum is σ = 5860248660. Its totient is φ = 1306752000.

The previous prime is 2866540441. The next prime is 2866540477. The reversal of 2866540456 is 6540456682.

It can be written as a sum of positive squares in 2 ways, for example, as 2238236100 + 628304356 = 47310^2 + 25066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 714456 + ... + 718456.

Almost surely, 2^2866540456 is an apocalyptic number.

2866540456 is a gapful number since it is divisible by the number (26) 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 2866540456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2930124330).

2866540456 is an abundant number, since it is smaller than the sum of its proper divisors (2993708204).

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

2866540456 is a wasteful number, since it uses less digits than its factorization.

2866540456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186 (or 4099 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The square root of 2866540456 is about 53540.0827044561. The cubic root of 2866540456 is about 1420.5374636763.

The spelling of 2866540456 in words is "two billion, eight hundred sixty-six million, five hundred forty thousand, four hundred fifty-six".