2666354044 has 6 divisors (see below), whose sum is σ = 4666119584. Its totient is φ = 1333177020.

The previous prime is 2666354021. The next prime is 2666354063. The reversal of 2666354044 is 4404536662.

It is a junction number, because it is equal to n+sod(n) for n = 2666353988 and 2666354006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333294252 + ... + 333294259.

Almost surely, 2^2666354044 is an apocalyptic number.

It is an amenable number.

2666354044 is a deficient number, since it is larger than the sum of its proper divisors (1999765540).

2666354044 is a wasteful number, since it uses less digits than its factorization.

2666354044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666588515 (or 666588513 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The square root of 2666354044 is about 51636.7509047577. The cubic root of 2666354044 is about 1386.6683564709.

The spelling of 2666354044 in words is "two billion, six hundred sixty-six million, three hundred fifty-four thousand, forty-four".