50040612405666 has 24 divisors (see below), whose sum is σ = 108423123903900. Its totient is φ = 16679927669856.

The previous prime is 50040612405661. The next prime is 50040612405671. The reversal of 50040612405666 is 66650421604005.

50040612405666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50040612405661) and next prime (50040612405671).

It can be written as a sum of positive squares in 2 ways, for example, as 48671761545225 + 1368850860441 = 6976515^2 + 1169979^2 .

It is not an unprimeable number, because it can be changed into a prime (50040612405661) 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 11 ways as a sum of consecutive naturals, for example, 21921141 + ... + 24096008.

Almost surely, 2^{50040612405666} is an apocalyptic number.

50040612405666 is an abundant number, since it is smaller than the sum of its proper divisors (58382511498234).

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

50040612405666 is a wasteful number, since it uses less digits than its factorization.

50040612405666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46077570 (or 46077567 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 50040612405666 in words is "fifty trillion, forty billion, six hundred twelve million, four hundred five thousand, six hundred sixty-six".