1028254500 has 672 divisors, whose sum is σ = 4277704704. Its totient is φ = 209952000.

The previous prime is 1028254489. The next prime is 1028254517. The reversal of 1028254500 is 54528201.

It is a happy number.

1028254500 is a `hidden beast` number, since 102 + 8 + 2 + 54 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 33169485 + ... + 33169515.

It is an arithmetic number, because the mean of its divisors is an integer number (6365632).

Almost surely, 2^1028254500 is an apocalyptic number.

1028254500 is a gapful number since it is divisible by the number (10) 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 1028254500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138852352).

1028254500 is an abundant number, since it is smaller than the sum of its proper divisors (3249450204).

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

1028254500 is a wasteful number, since it uses less digits than its factorization.

1028254500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1028254500 is about 32066.4076566116. The cubic root of 1028254500 is about 1009.3308314565.

The spelling of 1028254500 in words is "one billion, twenty-eight million, two hundred fifty-four thousand, five hundred".