2236440345156 has 36 divisors (see below), whose sum is σ = 5716743587100. Its totient is φ = 737103932928.

The previous prime is 2236440345101. The next prime is 2236440345169. The reversal of 2236440345156 is 6515430446322.

2236440345156 is a `hidden beast` number, since 2 + 2 + 3 + 64 + 40 + 34 + 515 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 336012671556 + 1900427673600 = 579666^2 + 1378560^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349004341 + ... + 349010748.

It is an arithmetic number, because the mean of its divisors is an integer number (158798432975).

Almost surely, 2^{2236440345156} is an apocalyptic number.

It is an amenable number.

2236440345156 is an abundant number, since it is smaller than the sum of its proper divisors (3480303241944).

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

2236440345156 is a wasteful number, since it uses less digits than its factorization.

2236440345156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698015188 (or 698015183 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 2236440345156 in words is "two trillion, two hundred thirty-six billion, four hundred forty million, three hundred forty-five thousand, one hundred fifty-six".