2240646646 has 8 divisors (see below), whose sum is σ = 3841108560. Its totient is φ = 960277128.

The previous prime is 2240646643. The next prime is 2240646671. The reversal of 2240646646 is 6466460422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2240646599 and 2240646608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240646643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80023081 + ... + 80023108.

It is an arithmetic number, because the mean of its divisors is an integer number (480138570).

Almost surely, 2^2240646646 is an apocalyptic number.

2240646646 is a deficient number, since it is larger than the sum of its proper divisors (1600461914).

2240646646 is a wasteful number, since it uses less digits than its factorization.

2240646646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160046198.

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 2240646646 is about 47335.4692170681. The cubic root of 2240646646 is about 1308.5524180300.

The spelling of 2240646646 in words is "two billion, two hundred forty million, six hundred forty-six thousand, six hundred forty-six".