40493025566 has 16 divisors (see below), whose sum is σ = 69419833056. Its totient is φ = 17353349376.

The previous prime is 40493025457. The next prime is 40493025571. The reversal of 40493025566 is 66552039404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324710 + ... + 431766.

It is an arithmetic number, because the mean of its divisors is an integer number (4338739566).

Almost surely, 2^40493025566 is an apocalyptic number.

40493025566 is a deficient number, since it is larger than the sum of its proper divisors (28926807490).

40493025566 is a wasteful number, since it uses less digits than its factorization.

40493025566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134083.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 40493025566 in words is "forty billion, four hundred ninety-three million, twenty-five thousand, five hundred sixty-six".