4064423636 has 48 divisors (see below), whose sum is σ = 8806076160. Its totient is φ = 1607879520.

The previous prime is 4064423617. The next prime is 4064423651. The reversal of 4064423636 is 6363244604.

It is a self number, because there is not a number n which added to its sum of digits gives 4064423636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28481 + ... + 94551.

It is an arithmetic number, because the mean of its divisors is an integer number (183459920).

Almost surely, 2^4064423636 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 4064423636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4403038080).

4064423636 is an abundant number, since it is smaller than the sum of its proper divisors (4741652524).

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

4064423636 is a wasteful number, since it uses less digits than its factorization.

4064423636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66121 (or 66093 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 38.

The square root of 4064423636 is about 63752.8323762953. The cubic root of 4064423636 is about 1595.8778834881.

The spelling of 4064423636 in words is "four billion, sixty-four million, four hundred twenty-three thousand, six hundred thirty-six".