1028446318474 has 4 divisors (see below), whose sum is σ = 1542669477714. Its totient is φ = 514223159236.

The previous prime is 1028446318453. The next prime is 1028446318481. The reversal of 1028446318474 is 4748136448201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 547441651449 + 481004667025 = 739893^2 + 693545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257111579617 + ... + 257111579620.

Almost surely, 2^{1028446318474} is an apocalyptic number.

1028446318474 is a deficient number, since it is larger than the sum of its proper divisors (514223159240).

1028446318474 is an equidigital number, since it uses as much as digits as its factorization.

1028446318474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514223159239.

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 1028446318474 in words is "one trillion, twenty-eight billion, four hundred forty-six million, three hundred eighteen thousand, four hundred seventy-four".