328443651434 has 32 divisors (see below), whose sum is σ = 520329744000. Its totient is φ = 155177028864.

The previous prime is 328443651421. The next prime is 328443651439. The reversal of 328443651434 is 434156344823.

It is not an unprimeable number, because it can be changed into a prime (328443651439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4586597 + ... + 4657655.

It is an arithmetic number, because the mean of its divisors is an integer number (16260304500).

Almost surely, 2^328443651434 is an apocalyptic number.

328443651434 is a deficient number, since it is larger than the sum of its proper divisors (191886092566).

328443651434 is a wasteful number, since it uses less digits than its factorization.

328443651434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72302.

The product of its digits is 3317760, while the sum is 47.

The spelling of 328443651434 in words is "three hundred twenty-eight billion, four hundred forty-three million, six hundred fifty-one thousand, four hundred thirty-four".