40550616666061 has 4 divisors (see below), whose sum is σ = 40550634153952. Its totient is φ = 40550599178172.

The previous prime is 40550616666041. The next prime is 40550616666097. The reversal of 40550616666061 is 16066661605504.

40550616666061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40550616666061 - 2¹¹ = 40550616664013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40550616666041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4616265 + ... + 10119838.

It is an arithmetic number, because the mean of its divisors is an integer number (10137658538488).

Almost surely, 2^{40550616666061} is an apocalyptic number.

It is an amenable number.

40550616666061 is a deficient number, since it is larger than the sum of its proper divisors (17487891).

40550616666061 is a wasteful number, since it uses less digits than its factorization.

40550616666061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17487890.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 40550616666061 in words is "forty trillion, five hundred fifty billion, six hundred sixteen million, six hundred sixty-six thousand, sixty-one".