424128790 has 16 divisors (see below), whose sum is σ = 777837168. Its totient is φ = 166450336.

The previous prime is 424128781. The next prime is 424128833. The reversal of 424128790 is 97821424.

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, 399592 + ... + 400651.

It is an arithmetic number, because the mean of its divisors is an integer number (48614823).

Almost surely, 2^424128790 is an apocalyptic number.

424128790 is a deficient number, since it is larger than the sum of its proper divisors (353708378).

424128790 is a wasteful number, since it uses less digits than its factorization.

424128790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800303.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 424128790 is about 20594.3873421862. The cubic root of 424128790 is about 751.3332079305. Note that the first 3 decimals are identical.

The spelling of 424128790 in words is "four hundred twenty-four million, one hundred twenty-eight thousand, seven hundred ninety".