1028488442 has 8 divisors (see below), whose sum is σ = 1542993300. Its totient is φ = 514157344.

The previous prime is 1028488429. The next prime is 1028488453. The reversal of 1028488442 is 2448848201.

It can be written as a sum of positive squares in 2 ways, for example, as 1026497521 + 1990921 = 32039^2 + 1411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1028488442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27467 + ... + 53022.

Almost surely, 2^1028488442 is an apocalyptic number.

1028488442 is a deficient number, since it is larger than the sum of its proper divisors (514504858).

1028488442 is an equidigital number, since it uses as much as digits as its factorization.

1028488442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86880.

The product of its (nonzero) digits is 131072, while the sum is 41.

The square root of 1028488442 is about 32070.0552229023. The cubic root of 1028488442 is about 1009.4073711875.

The spelling of 1028488442 in words is "one billion, twenty-eight million, four hundred eighty-eight thousand, four hundred forty-two".