1028160380 has 48 divisors (see below), whose sum is σ = 2329378464. Its totient is φ = 378950400.

The previous prime is 1028160361. The next prime is 1028160451. The reversal of 1028160380 is 830618201.

It is a super-2 number, since 2×1028160380² = 2114227534003488800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156155 + ... + 162605.

It is an arithmetic number, because the mean of its divisors is an integer number (48528718).

Almost surely, 2^1028160380 is an apocalyptic number.

1028160380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028160380 is an abundant number, since it is smaller than the sum of its proper divisors (1301218084).

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

1028160380 is a wasteful number, since it uses less digits than its factorization.

1028160380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086 (or 7084 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1028160380 is about 32064.9400436053. The cubic root of 1028160380 is about 1009.3000345684.

Adding to 1028160380 its reverse (830618201), we get a palindrome (1858778581).

The spelling of 1028160380 in words is "one billion, twenty-eight million, one hundred sixty thousand, three hundred eighty".