2801026305 has 128 divisors (see below), whose sum is σ = 6232412160. Its totient is φ = 1159557120.

The previous prime is 2801026247. The next prime is 2801026337. The reversal of 2801026305 is 5036201082.

2801026305 is a `hidden beast` number, since 28 + 0 + 1 + 0 + 2 + 630 + 5 = 666.

It is not a de Polignac number, because 2801026305 - 2⁹ = 2801025793 is a prime.

It is a super-2 number, since 2×2801026305² = 15691496722603906050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4854177 + ... + 4854753.

It is an arithmetic number, because the mean of its divisors is an integer number (48690720).

Almost surely, 2^2801026305 is an apocalyptic number.

It is an amenable number.

2801026305 is an abundant number, since it is smaller than the sum of its proper divisors (3431385855).

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

2801026305 is a wasteful number, since it uses less digits than its factorization.

2801026305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2801026305 is about 52924.7230035264. The cubic root of 2801026305 is about 1409.6319319945.

Adding to 2801026305 its reverse (5036201082), we get a palindrome (7837227387).

The spelling of 2801026305 in words is "two billion, eight hundred one million, twenty-six thousand, three hundred five".