2805214840 has 32 divisors (see below), whose sum is σ = 6323448960. Its totient is φ = 1120003200.

The previous prime is 2805214823. The next prime is 2805214861. The reversal of 2805214840 is 484125082.

2805214840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2805214796 and 2805214805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43176 + ... + 86455.

It is an arithmetic number, because the mean of its divisors is an integer number (197607780).

Almost surely, 2^2805214840 is an apocalyptic number.

2805214840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805214840 is an abundant number, since it is smaller than the sum of its proper divisors (3518234120).

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

2805214840 is a wasteful number, since it uses less digits than its factorization.

2805214840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130183 (or 130179 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 2805214840 is about 52964.2789056927. The cubic root of 2805214840 is about 1410.3342164996.

The spelling of 2805214840 in words is "two billion, eight hundred five million, two hundred fourteen thousand, eight hundred forty".