4194695808 has 240 divisors, whose sum is σ = 12929664330. Its totient is φ = 1349913600.

The previous prime is 4194695789. The next prime is 4194695831. The reversal of 4194695808 is 8085964914.

4194695808 is a `hidden beast` number, since 4 + 19 + 46 + 9 + 580 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4189713984 + 4981824 = 64728^2 + 2232^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9963438 + ... + 9963858.

Almost surely, 2^4194695808 is an apocalyptic number.

4194695808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4194695808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6464832165).

4194695808 is an abundant number, since it is smaller than the sum of its proper divisors (8734968522).

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

4194695808 is an equidigital number, since it uses as much as digits as its factorization.

4194695808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 4194695808 is about 64766.4713258334. The cubic root of 4194695808 is about 1612.7491586864.

The spelling of 4194695808 in words is "four billion, one hundred ninety-four million, six hundred ninety-five thousand, eight hundred eight".