1028888256 has 224 divisors, whose sum is σ = 3160166400. Its totient is φ = 292357120.

The previous prime is 1028888249. The next prime is 1028888261. The reversal of 1028888256 is 6528888201.

It is a happy number.

1028888256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1028888256² = 2117222086669443072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2865805 + ... + 2866163.

Almost surely, 2^1028888256 is an apocalyptic number.

1028888256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028888256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580083200).

1028888256 is an abundant number, since it is smaller than the sum of its proper divisors (2131278144).

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

1028888256 is a wasteful number, since it uses less digits than its factorization.

1028888256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The square root of 1028888256 is about 32076.2880645501. The cubic root of 1028888256 is about 1009.5381530542.

Subtracting 1028888256 from its reverse (6528888201), we obtain a palindrome (5499999945).

The spelling of 1028888256 in words is "one billion, twenty-eight million, eight hundred eighty-eight thousand, two hundred fifty-six".