40066823786896 has 15 divisors (see below), whose sum is σ = 77629520143371. Its totient is φ = 20033399233776.

The previous prime is 40066823786867. The next prime is 40066823786963. The reversal of 40066823786896 is 69868732866004.

The square root of 40066823786896 is 6329836.

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

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 24528115 + ... + 26110573.

Almost surely, 2^{40066823786896} is an apocalyptic number.

40066823786896 is the 6329836-th square number.

It is an amenable number.

40066823786896 is a deficient number, since it is larger than the sum of its proper divisors (37562696356475).

40066823786896 is an frugal number, since it uses more digits than its factorization.

40066823786896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164926 (or 1582461 counting only the distinct ones).

The product of its (nonzero) digits is 1003290624, while the sum is 73.

The spelling of 40066823786896 in words is "forty trillion, sixty-six billion, eight hundred twenty-three million, seven hundred eighty-six thousand, eight hundred ninety-six".