6404407082 has 8 divisors (see below), whose sum is σ = 9607015236. Its totient is φ = 3202068672.

The previous prime is 6404407049. The next prime is 6404407111. The reversal of 6404407082 is 2807044046.

It can be written as a sum of positive squares in 2 ways, for example, as 6119776441 + 284630641 = 78229^2 + 16871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9458 + ... + 113570.

Almost surely, 2^6404407082 is an apocalyptic number.

6404407082 is a deficient number, since it is larger than the sum of its proper divisors (3202608154).

6404407082 is a wasteful number, since it uses less digits than its factorization.

6404407082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134872.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 6404407082 is about 80027.5395223419. The cubic root of 6404407082 is about 1857.0615994670.

The spelling of 6404407082 in words is "six billion, four hundred four million, four hundred seven thousand, eighty-two".