4000320434 has 16 divisors (see below), whose sum is σ = 6548048640. Its totient is φ = 1817752560.

The previous prime is 4000320421. The next prime is 4000320437. The reversal of 4000320434 is 4340230004.

It is a happy number.

4000320434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×4000320434³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4000320437) 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, 46832 + ... + 100964.

It is an arithmetic number, because the mean of its divisors is an integer number (409253040).

Almost surely, 2^4000320434 is an apocalyptic number.

4000320434 is a deficient number, since it is larger than the sum of its proper divisors (2547728206).

4000320434 is a wasteful number, since it uses less digits than its factorization.

4000320434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57505.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4000320434 is about 63248.0864058352. The cubic root of 4000320434 is about 1587.4434389421.

Adding to 4000320434 its reverse (4340230004), we get a palindrome (8340550438).

The spelling of 4000320434 in words is "four billion, three hundred twenty thousand, four hundred thirty-four".