4066919448 has 64 divisors (see below), whose sum is σ = 10727769600. Its totient is φ = 1281248640.

The previous prime is 4066919443. The next prime is 4066919449. The reversal of 4066919448 is 8449196604.

It is a self number, because there is not a number n which added to its sum of digits gives 4066919448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066919443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186190 + ... + 206882.

It is an arithmetic number, because the mean of its divisors is an integer number (167621400).

Almost surely, 2^4066919448 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 4066919448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5363884800).

4066919448 is an abundant number, since it is smaller than the sum of its proper divisors (6660850152).

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

4066919448 is a wasteful number, since it uses less digits than its factorization.

4066919448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21152 (or 21148 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 4066919448 is about 63772.4034986921. The cubic root of 4066919448 is about 1596.2044731462.

The spelling of 4066919448 in words is "four billion, sixty-six million, nine hundred nineteen thousand, four hundred forty-eight".