1028150340 has 288 divisors, whose sum is σ = 3585254400. Its totient is φ = 219018240.

The previous prime is 1028150281. The next prime is 1028150341. The reversal of 1028150340 is 430518201.

It is a self number, because there is not a number n which added to its sum of digits gives 1028150340.

It is not an unprimeable number, because it can be changed into a prime (1028150341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2642866 + ... + 2643254.

It is an arithmetic number, because the mean of its divisors is an integer number (12448800).

Almost surely, 2^1028150340 is an apocalyptic number.

1028150340 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 1028150340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792627200).

1028150340 is an abundant number, since it is smaller than the sum of its proper divisors (2557104060).

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

1028150340 is a wasteful number, since it uses less digits than its factorization.

1028150340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1028150340 is about 32064.7834859367. The cubic root of 1028150340 is about 1009.2967492815.

Adding to 1028150340 its reverse (430518201), we get a palindrome (1458668541).

The spelling of 1028150340 in words is "one billion, twenty-eight million, one hundred fifty thousand, three hundred forty".