4055668690 has 16 divisors (see below), whose sum is σ = 7301765592. Its totient is φ = 1621920384.

The previous prime is 4055668667. The next prime is 4055668717. The reversal of 4055668690 is 968665504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2848036689 + 1207632001 = 53367^2 + 34751^2 .

It is a super-2 number, since 2×4055668690² = 32896897046092632200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8662 + ... + 90478.

Almost surely, 2^4055668690 is an apocalyptic number.

4055668690 is a deficient number, since it is larger than the sum of its proper divisors (3246096902).

4055668690 is a wasteful number, since it uses less digits than its factorization.

4055668690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86781.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 4055668690 is about 63684.1321680684. The cubic root of 4055668690 is about 1594.7311962051.

The spelling of 4055668690 in words is "four billion, fifty-five million, six hundred sixty-eight thousand, six hundred ninety".