6430440346 has 16 divisors (see below), whose sum is σ = 10543644000. Its totient is φ = 2917064880.

The previous prime is 6430440323. The next prime is 6430440353.

6430440346 is nontrivially palindromic in base 10.

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, 281901 + ... + 303856.

It is an arithmetic number, because the mean of its divisors is an integer number (658977750).

Almost surely, 2^6430440346 is an apocalyptic number.

6430440346 is a deficient number, since it is larger than the sum of its proper divisors (4113203654).

6430440346 is a wasteful number, since it uses less digits than its factorization.

6430440346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586269.

The product of its (nonzero) digits is 82944, while the sum is 34.

The square root of 6430440346 is about 80190.0264746184. The cubic root of 6430440346 is about 1859.5744532696.

The spelling of 6430440346 in words is "six billion, four hundred thirty million, four hundred forty thousand, three hundred forty-six".