4045906965136 has 15 divisors (see below), whose sum is σ = 7838960333673. Its totient is φ = 2022949459680.

The previous prime is 4045906965073. The next prime is 4045906965157. The reversal of 4045906965136 is 6315696095404.

It is a happy number.

The square root of 4045906965136 is 2011444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 59655131536 + 3986251833600 = 244244^2 + 1996560^2 .

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 7794346 + ... + 8297206.

Almost surely, 2^{4045906965136} is an apocalyptic number.

4045906965136 is the 2011444-th square number.

It is an amenable number.

4045906965136 is a deficient number, since it is larger than the sum of its proper divisors (3793053368537).

4045906965136 is an frugal number, since it uses more digits than its factorization.

4045906965136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005730 (or 502863 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 58.

The spelling of 4045906965136 in words is "four trillion, forty-five billion, nine hundred six million, nine hundred sixty-five thousand, one hundred thirty-six".