1028446318475 has 24 divisors (see below), whose sum is σ = 1330862676480. Its totient is φ = 786900693920.

The previous prime is 1028446318453. The next prime is 1028446318481. The reversal of 1028446318475 is 5748136448201.

It is a happy number.

It is not a de Polignac number, because 1028446318475 - 2⁸ = 1028446318219 is a prime.

It is a super-2 number, since 2×1028446318475² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5566532 + ... + 5748318.

It is an arithmetic number, because the mean of its divisors is an integer number (55452611520).

Almost surely, 2^{1028446318475} is an apocalyptic number.

1028446318475 is a deficient number, since it is larger than the sum of its proper divisors (302416358005).

1028446318475 is a wasteful number, since it uses less digits than its factorization.

1028446318475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191659 (or 191654 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 1028446318475 in words is "one trillion, twenty-eight billion, four hundred forty-six million, three hundred eighteen thousand, four hundred seventy-five".