428440175 has 12 divisors (see below), whose sum is σ = 543622200. Its totient is φ = 334780320.

The previous prime is 428440169. The next prime is 428440193. The reversal of 428440175 is 571044824.

It is not a de Polignac number, because 428440175 - 2²⁴ = 411662959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198200 + ... + 200349.

It is an arithmetic number, because the mean of its divisors is an integer number (45301850).

Almost surely, 2^428440175 is an apocalyptic number.

428440175 is a deficient number, since it is larger than the sum of its proper divisors (115182025).

428440175 is a wasteful number, since it uses less digits than its factorization.

428440175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398602 (or 398597 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 428440175 is about 20698.7964625966. The cubic root of 428440175 is about 753.8704657083.

Adding to 428440175 its reverse (571044824), we get a palindrome (999484999).

The spelling of 428440175 in words is "four hundred twenty-eight million, four hundred forty thousand, one hundred seventy-five".