1424431808 has 56 divisors (see below), whose sum is σ = 2904896400. Its totient is φ = 692748288.

The previous prime is 1424431733. The next prime is 1424431849. The reversal of 1424431808 is 8081344241.

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, 364328 + ... + 368216.

It is an arithmetic number, because the mean of its divisors is an integer number (51873150).

Almost surely, 2^1424431808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424431808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452448200).

1424431808 is an abundant number, since it is smaller than the sum of its proper divisors (1480464592).

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

1424431808 is an equidigital number, since it uses as much as digits as its factorization.

1424431808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057 (or 4047 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 1424431808 is about 37741.6455391124. The cubic root of 1424431808 is about 1125.1589722344.

The spelling of 1424431808 in words is "one billion, four hundred twenty-four million, four hundred thirty-one thousand, eight hundred eight".