1428428682 has 40 divisors (see below), whose sum is σ = 3204800676. Its totient is φ = 475538688.

The previous prime is 1428428663. The next prime is 1428428737. The reversal of 1428428682 is 2868248241.

1428428682 is a `hidden beast` number, since 14 + 284 + 286 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1025984961 + 402443721 = 32031^2 + 20061^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 133018 + ... + 143354.

Almost surely, 2^1428428682 is an apocalyptic number.

1428428682 is an abundant number, since it is smaller than the sum of its proper divisors (1776371994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428428682 is a wasteful number, since it uses less digits than its factorization.

1428428682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204 (or 11195 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 1428428682 is about 37794.5588941054. The cubic root of 1428428682 is about 1126.2103666553.

The spelling of 1428428682 in words is "one billion, four hundred twenty-eight million, four hundred twenty-eight thousand, six hundred eighty-two".