2806895540 has 24 divisors (see below), whose sum is σ = 5977504512. Its totient is φ = 1106944160.

The previous prime is 2806895503. The next prime is 2806895543. The reversal of 2806895540 is 455986082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806895543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986924 + ... + 989763.

It is an arithmetic number, because the mean of its divisors is an integer number (249062688).

Almost surely, 2^2806895540 is an apocalyptic number.

2806895540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2806895540 is an abundant number, since it is smaller than the sum of its proper divisors (3170608972).

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

2806895540 is a wasteful number, since it uses less digits than its factorization.

2806895540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976767 (or 1976765 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 2806895540 is about 52980.1428839145. The cubic root of 2806895540 is about 1410.6158200636.

The spelling of 2806895540 in words is "two billion, eight hundred six million, eight hundred ninety-five thousand, five hundred forty".