4066454642 has 8 divisors (see below), whose sum is σ = 6100282476. Its totient is φ = 2033027152.

The previous prime is 4066454641. The next prime is 4066454663. The reversal of 4066454642 is 2464546604.

It can be written as a sum of positive squares in 2 ways, for example, as 3534183601 + 532271041 = 59449^2 + 23071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4066454642.

It is not an unprimeable number, because it can be changed into a prime (4066454641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73253 + ... + 116184.

Almost surely, 2^4066454642 is an apocalyptic number.

4066454642 is a deficient number, since it is larger than the sum of its proper divisors (2033827834).

4066454642 is a wasteful number, since it uses less digits than its factorization.

4066454642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200172.

The product of its (nonzero) digits is 552960, while the sum is 41.

The square root of 4066454642 is about 63768.7591379980. The cubic root of 4066454642 is about 1596.1436610506.

The spelling of 4066454642 in words is "four billion, sixty-six million, four hundred fifty-four thousand, six hundred forty-two".