2666340436 has 24 divisors (see below), whose sum is σ = 4698562176. Its totient is φ = 1323927360.

The previous prime is 2666340407. The next prime is 2666340437. The reversal of 2666340436 is 6340436662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666340437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341205 + ... + 348931.

It is an arithmetic number, because the mean of its divisors is an integer number (195773424).

Almost surely, 2^2666340436 is an apocalyptic number.

It is an amenable number.

2666340436 is a deficient number, since it is larger than the sum of its proper divisors (2032221740).

2666340436 is a wasteful number, since it uses less digits than its factorization.

2666340436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319 (or 8317 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 40.

The square root of 2666340436 is about 51636.6191379722. The cubic root of 2666340436 is about 1386.6659974674.

The spelling of 2666340436 in words is "two billion, six hundred sixty-six million, three hundred forty thousand, four hundred thirty-six".