424289128 has 32 divisors (see below), whose sum is σ = 843919560. Its totient is φ = 199290880.

The previous prime is 424289087. The next prime is 424289141. The reversal of 424289128 is 821982424.

It can be written as a sum of positive squares in 4 ways, for example, as 422795844 + 1493284 = 20562^2 + 1222^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78018 + ... + 83278.

Almost surely, 2^424289128 is an apocalyptic number.

It is an amenable number.

424289128 is a deficient number, since it is larger than the sum of its proper divisors (419630432).

424289128 is a wasteful number, since it uses less digits than its factorization.

424289128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877 (or 5873 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 424289128 is about 20598.2797339972. The cubic root of 424289128 is about 751.4278742122.

The spelling of 424289128 in words is "four hundred twenty-four million, two hundred eighty-nine thousand, one hundred twenty-eight".