1028180196 has 96 divisors (see below), whose sum is σ = 2850382080. Its totient is φ = 319375872.

The previous prime is 1028180183. The next prime is 1028180203. The reversal of 1028180196 is 6910818201.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1028180196.

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, 186390 + ... + 191826.

It is an arithmetic number, because the mean of its divisors is an integer number (29691480).

Almost surely, 2^1028180196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028180196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425191040).

1028180196 is an abundant number, since it is smaller than the sum of its proper divisors (1822201884).

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

1028180196 is a wasteful number, since it uses less digits than its factorization.

1028180196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570 (or 5562 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 1028180196 is about 32065.2490400433. The cubic root of 1028180196 is about 1009.3065186933.

Adding to 1028180196 its reverse (6910818201), we get a palindrome (7938998397).

The spelling of 1028180196 in words is "one billion, twenty-eight million, one hundred eighty thousand, one hundred ninety-six".