2081051028 has 72 divisors (see below), whose sum is σ = 6234609472. Its totient is φ = 594584064.

The previous prime is 2081051003. The next prime is 2081051029. The reversal of 2081051028 is 8201501802.

It is a super-2 number, since 2×2081051028² = 8661546762279713568, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2081050992 and 2081051010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081051029) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 146125 + ... + 159732.

Almost surely, 2^2081051028 is an apocalyptic number.

2081051028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2081051028 is an abundant number, since it is smaller than the sum of its proper divisors (4153558444).

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

2081051028 is a wasteful number, since it uses less digits than its factorization.

2081051028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305883 (or 305869 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 2081051028 is about 45618.5382054270. The cubic root of 2081051028 is about 1276.7158296809.

The spelling of 2081051028 in words is "two billion, eighty-one million, fifty-one thousand, twenty-eight".