40253142123566 has 16 divisors (see below), whose sum is σ = 60780005881056. Its totient is φ = 19993455977376.

The previous prime is 40253142123521. The next prime is 40253142123577. The reversal of 40253142123566 is 66532124135204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78698201 + ... + 79208036.

It is an arithmetic number, because the mean of its divisors is an integer number (3798750367566).

Almost surely, 2^{40253142123566} is an apocalyptic number.

40253142123566 is a deficient number, since it is larger than the sum of its proper divisors (20526863757490).

40253142123566 is a wasteful number, since it uses less digits than its factorization.

40253142123566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157907083.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 40253142123566 in words is "forty trillion, two hundred fifty-three billion, one hundred forty-two million, one hundred twenty-three thousand, five hundred sixty-six".