2236656042 has 24 divisors (see below), whose sum is σ = 4918420416. Its totient is φ = 734423976.

The previous prime is 2236656013. The next prime is 2236656077. The reversal of 2236656042 is 2406566322.

2236656042 is a `hidden beast` number, since 22 + 36 + 6 + 560 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2236655988 and 2236656006.

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 11 ways as a sum of consecutive naturals, for example, 926098 + ... + 928509.

It is an arithmetic number, because the mean of its divisors is an integer number (204934184).

Almost surely, 2^2236656042 is an apocalyptic number.

2236656042 is an abundant number, since it is smaller than the sum of its proper divisors (2681764374).

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

2236656042 is a wasteful number, since it uses less digits than its factorization.

2236656042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854682 (or 1854679 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 2236656042 is about 47293.2980664280. The cubic root of 2236656042 is about 1307.7751100327.

The spelling of 2236656042 in words is "two billion, two hundred thirty-six million, six hundred fifty-six thousand, forty-two".