2240644066 has 16 divisors (see below), whose sum is σ = 3434555520. Its totient is φ = 1095821200.

The previous prime is 2240644033. The next prime is 2240644067. The reversal of 2240644066 is 6604460422.

It is not an unprimeable number, because it can be changed into a prime (2240644067) 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, 172425 + ... + 184963.

It is an arithmetic number, because the mean of its divisors is an integer number (214659720).

Almost surely, 2^2240644066 is an apocalyptic number.

2240644066 is a deficient number, since it is larger than the sum of its proper divisors (1193911454).

2240644066 is a wasteful number, since it uses less digits than its factorization.

2240644066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14489.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2240644066 is about 47335.4419647689. The cubic root of 2240644066 is about 1308.5519157841.

The spelling of 2240644066 in words is "two billion, two hundred forty million, six hundred forty-four thousand, sixty-six".