4066049980 has 36 divisors (see below), whose sum is σ = 8843332680. Its totient is φ = 1570330048.

The previous prime is 4066049921. The next prime is 4066049983. The reversal of 4066049980 is 899406604.

It is a self number, because there is not a number n which added to its sum of digits gives 4066049980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066049983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104050 + ... + 137689.

It is an arithmetic number, because the mean of its divisors is an integer number (245648130).

Almost surely, 2^4066049980 is an apocalyptic number.

It is an amenable number.

4066049980 is an abundant number, since it is smaller than the sum of its proper divisors (4777282700).

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

4066049980 is a wasteful number, since it uses less digits than its factorization.

4066049980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241806 (or 241775 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 4066049980 is about 63765.5861731075. The cubic root of 4066049980 is about 1596.0907140186.

The spelling of 4066049980 in words is "four billion, sixty-six million, forty-nine thousand, nine hundred eighty".