4080649264 has 40 divisors (see below), whose sum is σ = 8419818240. Its totient is φ = 1909183488.

The previous prime is 4080649211. The next prime is 4080649291. The reversal of 4080649264 is 4629460804.

It is a self number, because there is not a number n which added to its sum of digits gives 4080649264.

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, 3697 + ... + 90415.

It is an arithmetic number, because the mean of its divisors is an integer number (210495456).

Almost surely, 2^4080649264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4080649264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4209909120).

4080649264 is an abundant number, since it is smaller than the sum of its proper divisors (4339168976).

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

4080649264 is a wasteful number, since it uses less digits than its factorization.

4080649264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86917 (or 86911 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 4080649264 is about 63879.9597996116. The cubic root of 4080649264 is about 1597.9987040528.

The spelling of 4080649264 in words is "four billion, eighty million, six hundred forty-nine thousand, two hundred sixty-four".