1028273260 has 24 divisors (see below), whose sum is σ = 2467856160. Its totient is φ = 352550784.

The previous prime is 1028273251. The next prime is 1028273261. The reversal of 1028273260 is 623728201.

1028273260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1028273261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672265 + ... + 3672544.

It is an arithmetic number, because the mean of its divisors is an integer number (102827340).

Almost surely, 2^1028273260 is an apocalyptic number.

1028273260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028273260 is an abundant number, since it is smaller than the sum of its proper divisors (1439582900).

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

1028273260 is a wasteful number, since it uses less digits than its factorization.

1028273260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344825 (or 7344823 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1028273260 is about 32066.7001732327. The cubic root of 1028273260 is about 1009.3369696682.

The spelling of 1028273260 in words is "one billion, twenty-eight million, two hundred seventy-three thousand, two hundred sixty".