40661066830 has 8 divisors (see below), whose sum is σ = 73189920312. Its totient is φ = 16264426728.

The previous prime is 40661066777. The next prime is 40661066843. The reversal of 40661066830 is 3866016604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2033053332 + ... + 2033053351.

It is an arithmetic number, because the mean of its divisors is an integer number (9148740039).

Almost surely, 2^40661066830 is an apocalyptic number.

40661066830 is a deficient number, since it is larger than the sum of its proper divisors (32528853482).

40661066830 is a wasteful number, since it uses less digits than its factorization.

40661066830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066106690.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 40661066830 in words is "forty billion, six hundred sixty-one million, sixty-six thousand, eight hundred thirty".