1027938816 has 320 divisors, whose sum is σ = 3288003840. Its totient is φ = 316293120.

The previous prime is 1027938809. The next prime is 1027938841. The reversal of 1027938816 is 6188397201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16851426 + ... + 16851486.

It is an arithmetic number, because the mean of its divisors is an integer number (10275012).

Almost surely, 2^1027938816 is an apocalyptic number.

1027938816 is a gapful number since it is divisible by the number (16) 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 1027938816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644001920).

1027938816 is an abundant number, since it is smaller than the sum of its proper divisors (2260065024).

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

1027938816 is an equidigital number, since it uses as much as digits as its factorization.

1027938816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1027938816 is about 32061.4849313004. The cubic root of 1027938816 is about 1009.2275294669.

The spelling of 1027938816 in words is "one billion, twenty-seven million, nine hundred thirty-eight thousand, eight hundred sixteen".