6406828430 has 32 divisors (see below), whose sum is σ = 11818860768. Its totient is φ = 2499235200.

The previous prime is 6406828321. The next prime is 6406828433. The reversal of 6406828430 is 348286046.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406828433) 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, 272960 + ... + 295500.

It is an arithmetic number, because the mean of its divisors is an integer number (369339399).

Almost surely, 2^6406828430 is an apocalyptic number.

6406828430 is a deficient number, since it is larger than the sum of its proper divisors (5412032338).

6406828430 is a wasteful number, since it uses less digits than its factorization.

6406828430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23252.

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 6406828430 is about 80042.6663099125. Note that the first 3 decimals coincide. The cubic root of 6406828430 is about 1857.2956063400.

The spelling of 6406828430 in words is "six billion, four hundred six million, eight hundred twenty-eight thousand, four hundred thirty".