4066464442 has 4 divisors (see below), whose sum is σ = 6099696666. Its totient is φ = 2033232220.

The previous prime is 4066464431. The next prime is 4066464449. The reversal of 4066464442 is 2444646604.

It is a happy number.

4066464442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3831486201 + 234978241 = 61899^2 + 15329^2 .

It is a super-2 number, since 2×4066464442² = 33072266116100742728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4066464395 and 4066464404.

It is not an unprimeable number, because it can be changed into a prime (4066464449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016616109 + ... + 1016616112.

Almost surely, 2^4066464442 is an apocalyptic number.

4066464442 is a deficient number, since it is larger than the sum of its proper divisors (2033232224).

4066464442 is a wasteful number, since it uses less digits than its factorization.

4066464442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033232223.

The product of its (nonzero) digits is 442368, while the sum is 40.

The square root of 4066464442 is about 63768.8359780857. The cubic root of 4066464442 is about 1596.1449432646.

The spelling of 4066464442 in words is "four billion, sixty-six million, four hundred sixty-four thousand, four hundred forty-two".