2028278295 has 12 divisors (see below), whose sum is σ = 3515682456. Its totient is φ = 1081748400.

The previous prime is 2028278269. The next prime is 2028278297. The reversal of 2028278295 is 5928728202.

It is not a de Polignac number, because 2028278295 - 2⁷ = 2028278167 is a prime.

It is a super-2 number, since 2×2028278295² = 8227825683936214050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 45072851 = 2028278295 / (2 + 0 + 2 + 8 + 2 + 7 + 8 + 2 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2028278295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028278297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22536381 + ... + 22536470.

It is an arithmetic number, because the mean of its divisors is an integer number (292973538).

Almost surely, 2^2028278295 is an apocalyptic number.

2028278295 is a deficient number, since it is larger than the sum of its proper divisors (1487404161).

2028278295 is a wasteful number, since it uses less digits than its factorization.

2028278295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45072862 (or 45072859 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 2028278295 is about 45036.4107695096. The cubic root of 2028278295 is about 1265.8313511186.

The spelling of 2028278295 in words is "two billion, twenty-eight million, two hundred seventy-eight thousand, two hundred ninety-five".