2240206646 has 4 divisors (see below), whose sum is σ = 3360309972. Its totient is φ = 1120103322.

The previous prime is 2240206643. The next prime is 2240206651. The reversal of 2240206646 is 6466020422.

2240206646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6466020422 = 2 ⋅3233010211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240206643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560051660 + ... + 560051663.

It is an arithmetic number, because the mean of its divisors is an integer number (840077493).

Almost surely, 2^2240206646 is an apocalyptic number.

2240206646 is a deficient number, since it is larger than the sum of its proper divisors (1120103326).

2240206646 is a wasteful number, since it uses less digits than its factorization.

2240206646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120103325.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2240206646 is about 47330.8213112767. The cubic root of 2240206646 is about 1308.4667581221.

The spelling of 2240206646 in words is "two billion, two hundred forty million, two hundred six thousand, six hundred forty-six".