1028266330 has 32 divisors (see below), whose sum is σ = 2278007424. Its totient is φ = 325429056.

The previous prime is 1028266321. The next prime is 1028266331. The reversal of 1028266330 is 336628201.

1028266330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1028266292 and 1028266301.

It is not an unprimeable number, because it can be changed into a prime (1028266331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564072 + ... + 565891.

It is an arithmetic number, because the mean of its divisors is an integer number (71187732).

Almost surely, 2^1028266330 is an apocalyptic number.

1028266330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028266330 is an abundant number, since it is smaller than the sum of its proper divisors (1249741094).

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

1028266330 is a wasteful number, since it uses less digits than its factorization.

1028266330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129990.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1028266330 is about 32066.5921170305. The cubic root of 1028266330 is about 1009.3347022032.

The spelling of 1028266330 in words is "one billion, twenty-eight million, two hundred sixty-six thousand, three hundred thirty".