2005277256 has 32 divisors (see below), whose sum is σ = 5570215200. Its totient is φ = 668425680.

The previous prime is 2005277243. The next prime is 2005277311. The reversal of 2005277256 is 6527725002.

It is a super-2 number, since 2×2005277256² = 8042273746861779072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2005277256.

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, 4641630 + ... + 4642061.

It is an arithmetic number, because the mean of its divisors is an integer number (174069225).

Almost surely, 2^2005277256 is an apocalyptic number.

It is an amenable number.

2005277256 is an abundant number, since it is smaller than the sum of its proper divisors (3564937944).

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

2005277256 is a wasteful number, since it uses less digits than its factorization.

2005277256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283706 (or 9283696 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 2005277256 is about 44780.3221962504. The cubic root of 2005277256 is about 1261.0282309721.

The spelling of 2005277256 in words is "two billion, five million, two hundred seventy-seven thousand, two hundred fifty-six".