6404026600 has 48 divisors (see below), whose sum is σ = 15291794700. Its totient is φ = 2492375040.

The previous prime is 6404026583. The next prime is 6404026609. The reversal of 6404026600 is 66204046.

It can be written as a sum of positive squares in 6 ways, for example, as 5536252836 + 867773764 = 74406^2 + 29458^2 .

It is not an unprimeable number, because it can be changed into a prime (6404026609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425305 + ... + 440104.

Almost surely, 2^6404026600 is an apocalyptic number.

It is an amenable number.

6404026600 is an abundant number, since it is smaller than the sum of its proper divisors (8887768100).

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

6404026600 is a wasteful number, since it uses less digits than its factorization.

6404026600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865462 (or 865453 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6404026600 is about 80025.1622928689. The cubic root of 6404026600 is about 1857.0248230985.

The spelling of 6404026600 in words is "six billion, four hundred four million, twenty-six thousand, six hundred".