424431418 has 16 divisors (see below), whose sum is σ = 674654400. Its totient is φ = 199567296.

The previous prime is 424431409. The next prime is 424431419. The reversal of 424431418 is 814134424.

It is a self number, because there is not a number n which added to its sum of digits gives 424431418.

It is not an unprimeable number, because it can be changed into a prime (424431419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43105 + ... + 52027.

It is an arithmetic number, because the mean of its divisors is an integer number (42165900).

Almost surely, 2^424431418 is an apocalyptic number.

424431418 is a deficient number, since it is larger than the sum of its proper divisors (250222982).

424431418 is a wasteful number, since it uses less digits than its factorization.

424431418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341.

The product of its digits is 12288, while the sum is 31.

The square root of 424431418 is about 20601.7333736751. The cubic root of 424431418 is about 751.5118646761.

The spelling of 424431418 in words is "four hundred twenty-four million, four hundred thirty-one thousand, four hundred eighteen".