1028855468 has 6 divisors (see below), whose sum is σ = 1800497076. Its totient is φ = 514427732.

The previous prime is 1028855461. The next prime is 1028855483. The reversal of 1028855468 is 8645588201.

It is not an unprimeable number, because it can be changed into a prime (1028855461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128606930 + ... + 128606937.

It is an arithmetic number, because the mean of its divisors is an integer number (300082846).

Almost surely, 2^1028855468 is an apocalyptic number.

It is an amenable number.

1028855468 is a deficient number, since it is larger than the sum of its proper divisors (771641608).

1028855468 is a wasteful number, since it uses less digits than its factorization.

1028855468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257213871 (or 257213869 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The square root of 1028855468 is about 32075.7769664275. The cubic root of 1028855468 is about 1009.5274291528.

It can be divided in two parts, 10288 and 55468, that added together give a palindrome (65756).

The spelling of 1028855468 in words is "one billion, twenty-eight million, eight hundred fifty-five thousand, four hundred sixty-eight".