4640026066 has 8 divisors (see below), whose sum is σ = 7495426764. Its totient is φ = 2141550480.

The previous prime is 4640026037. The next prime is 4640026103. The reversal of 4640026066 is 6606200464.

It can be written as a sum of positive squares in 2 ways, for example, as 4507108225 + 132917841 = 67135^2 + 11529^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89231245 + ... + 89231296.

Almost surely, 2^4640026066 is an apocalyptic number.

4640026066 is a deficient number, since it is larger than the sum of its proper divisors (2855400698).

4640026066 is a wasteful number, since it uses less digits than its factorization.

4640026066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178462556.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 4640026066 is about 68117.7367944649. The cubic root of 4640026066 is about 1667.9133063323.

The spelling of 4640026066 in words is "four billion, six hundred forty million, twenty-six thousand, sixty-six".