6404035578 has 16 divisors (see below), whose sum is σ = 12810299040. Its totient is φ = 2134307216.

The previous prime is 6404035571. The next prime is 6404035639. The reversal of 6404035578 is 8755304046.

It is not an unprimeable number, because it can be changed into a prime (6404035571) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54225 + ... + 125492.

It is an arithmetic number, because the mean of its divisors is an integer number (800643690).

Almost surely, 2^6404035578 is an apocalyptic number.

6404035578 is an abundant number, since it is smaller than the sum of its proper divisors (6406263462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6404035578 is a wasteful number, since it uses less digits than its factorization.

6404035578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185661.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 6404035578 is about 80025.2183877058. The cubic root of 6404035578 is about 1857.0256909046.

The spelling of 6404035578 in words is "six billion, four hundred four million, thirty-five thousand, five hundred seventy-eight".