424128630 has 16 divisors (see below), whose sum is σ = 1017908784. Its totient is φ = 113100960.

The previous prime is 424128623. The next prime is 424128647. The reversal of 424128630 is 36821424.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 14137621 = 424128630 / (4 + 2 + 4 + 1 + 2 + 8 + 6 + 3 + 0).

It is a congruent number.

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, 7068781 + ... + 7068840.

It is an arithmetic number, because the mean of its divisors is an integer number (63619299).

Almost surely, 2^424128630 is an apocalyptic number.

424128630 is an abundant number, since it is smaller than the sum of its proper divisors (593780154).

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

424128630 is a wasteful number, since it uses less digits than its factorization.

424128630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137631.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 424128630 is about 20594.3834576323. The cubic root of 424128630 is about 751.3331134518. Note that the first 3 decimals are identical.

The spelling of 424128630 in words is "four hundred twenty-four million, one hundred twenty-eight thousand, six hundred thirty".