40045050623666 has 16 divisors (see below), whose sum is σ = 67052177790048. Its totient is φ = 17778986534400.

The previous prime is 40045050623653. The next prime is 40045050623687. The reversal of 40045050623666 is 66632605054004.

It is a happy number.

40045050623666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40045050623666.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21165459215 + ... + 21165461106.

It is an arithmetic number, because the mean of its divisors is an integer number (4190761111878).

Almost surely, 2^{40045050623666} is an apocalyptic number.

40045050623666 is a deficient number, since it is larger than the sum of its proper divisors (27007127166382).

40045050623666 is a wasteful number, since it uses less digits than its factorization.

40045050623666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42330920377.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 40045050623666 in words is "forty trillion, forty-five billion, fifty million, six hundred twenty-three thousand, six hundred sixty-six".