4091396608 has 40 divisors (see below), whose sum is σ = 8803647468. Its totient is φ = 1888333824.

The previous prime is 4091396563. The next prime is 4091396609. The reversal of 4091396608 is 8066931904.

It can be written as a sum of positive squares in 2 ways, for example, as 4069419264 + 21977344 = 63792^2 + 4688^2 .

It is not an unprimeable number, because it can be changed into a prime (4091396609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300691 + ... + 314002.

Almost surely, 2^4091396608 is an apocalyptic number.

It is an amenable number.

4091396608 is an abundant number, since it is smaller than the sum of its proper divisors (4712250860).

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

4091396608 is an equidigital number, since it uses as much as digits as its factorization.

4091396608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614724 (or 614708 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 4091396608 is about 63964.0258895576. The cubic root of 4091396608 is about 1599.4003753095.

The spelling of 4091396608 in words is "four billion, ninety-one million, three hundred ninety-six thousand, six hundred eight".