6340628434 has 64 divisors (see below), whose sum is σ = 11768198400. Its totient is φ = 2501452800.

The previous prime is 6340628417. The next prime is 6340628471. The reversal of 6340628434 is 4348260436.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3063552 + ... + 3065620.

It is an arithmetic number, because the mean of its divisors is an integer number (183878100).

Almost surely, 2^6340628434 is an apocalyptic number.

6340628434 is a deficient number, since it is larger than the sum of its proper divisors (5427569966).

6340628434 is a wasteful number, since it uses less digits than its factorization.

6340628434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 6340628434 is about 79628.0631059176. The cubic root of 6340628434 is about 1850.8764713713.

The spelling of 6340628434 in words is "six billion, three hundred forty million, six hundred twenty-eight thousand, four hundred thirty-four".