2340656646 has 16 divisors (see below), whose sum is σ = 4682381808. Its totient is φ = 780040800.

The previous prime is 2340656639. The next prime is 2340656651. The reversal of 2340656646 is 6466560432.

It is a junction number, because it is equal to n+sod(n) for n = 2340656598 and 2340656607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14485 + ... + 69936.

It is an arithmetic number, because the mean of its divisors is an integer number (292648863).

Almost surely, 2^2340656646 is an apocalyptic number.

2340656646 is an abundant number, since it is smaller than the sum of its proper divisors (2341725162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2340656646 is a wasteful number, since it uses less digits than its factorization.

2340656646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89047.

The product of its (nonzero) digits is 622080, while the sum is 42.

The square root of 2340656646 is about 48380.3332563967. Note that the first 3 decimals coincide. The cubic root of 2340656646 is about 1327.7385667902.

The spelling of 2340656646 in words is "two billion, three hundred forty million, six hundred fifty-six thousand, six hundred forty-six".