1028331480 has 64 divisors (see below), whose sum is σ = 3365452800. Its totient is φ = 249292160.

The previous prime is 1028331461. The next prime is 1028331487. The reversal of 1028331480 is 841338201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028331487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388200 + ... + 390839.

It is an arithmetic number, because the mean of its divisors is an integer number (52585200).

Almost surely, 2^1028331480 is an apocalyptic number.

1028331480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028331480 is an abundant number, since it is smaller than the sum of its proper divisors (2337121320).

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

1028331480 is a wasteful number, since it uses less digits than its factorization.

1028331480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779064 (or 779060 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1028331480 is about 32067.6079556926. The cubic root of 1028331480 is about 1009.3560185895.

Adding to 1028331480 its reverse (841338201), we get a palindrome (1869669681).

The spelling of 1028331480 in words is "one billion, twenty-eight million, three hundred thirty-one thousand, four hundred eighty".