4459399426 has 32 divisors (see below), whose sum is σ = 7053120000. Its totient is φ = 2111683392.

The previous prime is 4459399423. The next prime is 4459399463. The reversal of 4459399426 is 6249939544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4459399423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716275 + ... + 722473.

It is an arithmetic number, because the mean of its divisors is an integer number (220410000).

Almost surely, 2^4459399426 is an apocalyptic number.

4459399426 is a deficient number, since it is larger than the sum of its proper divisors (2593720574).

4459399426 is a wasteful number, since it uses less digits than its factorization.

4459399426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466.

The product of its digits is 8398080, while the sum is 55.

The square root of 4459399426 is about 66778.7348337777. The cubic root of 4459399426 is about 1645.9834261542.

The spelling of 4459399426 in words is "four billion, four hundred fifty-nine million, three hundred ninety-nine thousand, four hundred twenty-six".