428549875262 has 16 divisors (see below), whose sum is σ = 658834126272. Its totient is φ = 208943748480.

The previous prime is 428549875261. The next prime is 428549875277. The reversal of 428549875262 is 262578945824.

It is a junction number, because it is equal to n+sod(n) for n = 428549875195 and 428549875204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428549875261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147718 + ... + 1474569.

It is an arithmetic number, because the mean of its divisors is an integer number (41177132892).

Almost surely, 2^428549875262 is an apocalyptic number.

428549875262 is a deficient number, since it is larger than the sum of its proper divisors (230284251010).

428549875262 is a wasteful number, since it uses less digits than its factorization.

428549875262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624323.

The product of its digits is 77414400, while the sum is 62.

The spelling of 428549875262 in words is "four hundred twenty-eight billion, five hundred forty-nine million, eight hundred seventy-five thousand, two hundred sixty-two".