4094194408 has 8 divisors (see below), whose sum is σ = 7676614530. Its totient is φ = 2047097200.

The previous prime is 4094194387. The next prime is 4094194409. The reversal of 4094194408 is 8044914904.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4042670724 + 51523684 = 63582^2 + 7178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4094194409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255887143 + ... + 255887158.

Almost surely, 2^4094194408 is an apocalyptic number.

It is an amenable number.

4094194408 is a deficient number, since it is larger than the sum of its proper divisors (3582420122).

4094194408 is a wasteful number, since it uses less digits than its factorization.

4094194408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511774307 (or 511774303 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 4094194408 is about 63985.8922575907. The cubic root of 4094194408 is about 1599.7648623206.

The spelling of 4094194408 in words is "four billion, ninety-four million, one hundred ninety-four thousand, four hundred eight".