1028026266 has 64 divisors (see below), whose sum is σ = 2150064000. Its totient is φ = 327465216.

The previous prime is 1028026231. The next prime is 1028026283. The reversal of 1028026266 is 6626208201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2945460 + ... + 2945808.

It is an arithmetic number, because the mean of its divisors is an integer number (33594750).

Almost surely, 2^1028026266 is an apocalyptic number.

1028026266 is an abundant number, since it is smaller than the sum of its proper divisors (1122037734).

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

1028026266 is a wasteful number, since it uses less digits than its factorization.

1028026266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1028026266 is about 32062.8486881624. The cubic root of 1028026266 is about 1009.2561480459.

The spelling of 1028026266 in words is "one billion, twenty-eight million, twenty-six thousand, two hundred sixty-six".