2805015668 has 24 divisors (see below), whose sum is σ = 6041572992. Its totient is φ = 1109676384.

The previous prime is 2805015641. The next prime is 2805015671. The reversal of 2805015668 is 8665105082.

It is a super-2 number, since 2×2805015668² = 15736225795450972448, which contains 22 as substring.

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, 3852680 + ... + 3853407.

It is an arithmetic number, because the mean of its divisors is an integer number (251732208).

Almost surely, 2^2805015668 is an apocalyptic number.

2805015668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2805015668 is an abundant number, since it is smaller than the sum of its proper divisors (3236557324).

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

2805015668 is a wasteful number, since it uses less digits than its factorization.

2805015668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706111 (or 7706109 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 2805015668 is about 52962.3986239294. The cubic root of 2805015668 is about 1410.3008375072.

The spelling of 2805015668 in words is "two billion, eight hundred five million, fifteen thousand, six hundred sixty-eight".