4023563646 has 64 divisors (see below), whose sum is σ = 8498131200. Its totient is φ = 1268123136.

The previous prime is 4023563641. The next prime is 4023563647. The reversal of 4023563646 is 6463653204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023563641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3459061 + ... + 3460223.

It is an arithmetic number, because the mean of its divisors is an integer number (132783300).

Almost surely, 2^4023563646 is an apocalyptic number.

4023563646 is an abundant number, since it is smaller than the sum of its proper divisors (4474567554).

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

4023563646 is a wasteful number, since it uses less digits than its factorization.

4023563646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593.

The product of its (nonzero) digits is 311040, while the sum is 39.

The square root of 4023563646 is about 63431.5666368095. The cubic root of 4023563646 is about 1590.5120308121.

The spelling of 4023563646 in words is "four billion, twenty-three million, five hundred sixty-three thousand, six hundred forty-six".