6394540800 has 108 divisors (see below), whose sum is σ = 21103380200. Its totient is φ = 1705205760.

The previous prime is 6394540787. The next prime is 6394540819. The reversal of 6394540800 is 80454936.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147325 + ... + 185724.

Almost surely, 2^6394540800 is an apocalyptic number.

6394540800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6394540800 is an abundant number, since it is smaller than the sum of its proper divisors (14708839400).

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

6394540800 is a wasteful number, since it uses less digits than its factorization.

6394540800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333078 (or 333059 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6394540800 is about 79965.8727208051. The cubic root of 6394540800 is about 1856.1074799034.

The spelling of 6394540800 in words is "six billion, three hundred ninety-four million, five hundred forty thousand, eight hundred".