40206606624242 has 16 divisors (see below), whose sum is σ = 60348161190240. Its totient is φ = 20090553381888.

The previous prime is 40206606624227. The next prime is 40206606624251. The reversal of 40206606624242 is 24242660660204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40206606624193 and 40206606624202.

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 7 ways as a sum of consecutive naturals, for example, 237519218 + ... + 237688434.

It is an arithmetic number, because the mean of its divisors is an integer number (3771760074390).

Almost surely, 2^{40206606624242} is an apocalyptic number.

40206606624242 is a deficient number, since it is larger than the sum of its proper divisors (20141554565998).

40206606624242 is a wasteful number, since it uses less digits than its factorization.

40206606624242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243865.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 40206606624242 in words is "forty trillion, two hundred six billion, six hundred six million, six hundred twenty-four thousand, two hundred forty-two".