428119402 has 16 divisors (see below), whose sum is σ = 664864200. Its totient is φ = 206510080.

The previous prime is 428119379. The next prime is 428119403. The reversal of 428119402 is 204911824.

It can be written as a sum of positive squares in 4 ways, for example, as 428034721 + 84681 = 20689^2 + 291^2 .

It is not an unprimeable number, because it can be changed into a prime (428119403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97674 + ... + 101962.

Almost surely, 2^428119402 is an apocalyptic number.

428119402 is a deficient number, since it is larger than the sum of its proper divisors (236744798).

428119402 is a wasteful number, since it uses less digits than its factorization.

428119402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6041.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 428119402 is about 20691.0464210972. The cubic root of 428119402 is about 753.6822778891.

The spelling of 428119402 in words is "four hundred twenty-eight million, one hundred nineteen thousand, four hundred two".