6404198000 has 40 divisors (see below), whose sum is σ = 15485355600. Its totient is φ = 2561678400.

The previous prime is 6404197981. The next prime is 6404198041. The reversal of 6404198000 is 8914046.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599050 + ... + 1603049.

It is an arithmetic number, because the mean of its divisors is an integer number (387133890).

Almost surely, 2^6404198000 is an apocalyptic number.

It is an amenable number.

6404198000 is an abundant number, since it is smaller than the sum of its proper divisors (9081157600).

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

6404198000 is a wasteful number, since it uses less digits than its factorization.

6404198000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202122 (or 3202106 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 6404198000 is about 80026.2331988705. The cubic root of 6404198000 is about 1857.0413903425.

The spelling of 6404198000 in words is "six billion, four hundred four million, one hundred ninety-eight thousand".