4000661014 has 16 divisors (see below), whose sum is σ = 7219238400. Its totient is φ = 1624328424.

The previous prime is 4000661003. The next prime is 4000661029. The reversal of 4000661014 is 4101660004.

It is a congruent number.

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, 7519774 + ... + 7520305.

It is an arithmetic number, because the mean of its divisors is an integer number (451202400).

Almost surely, 2^4000661014 is an apocalyptic number.

4000661014 is a deficient number, since it is larger than the sum of its proper divisors (3218577386).

4000661014 is a wasteful number, since it uses less digits than its factorization.

4000661014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040107.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4000661014 is about 63250.7787620042. The cubic root of 4000661014 is about 1587.4884883452.

The spelling of 4000661014 in words is "four billion, six hundred sixty-one thousand, fourteen".