40978568791101 has 16 divisors (see below), whose sum is σ = 57513920752640. Its totient is φ = 25881138344880.

The previous prime is 40978568791093. The next prime is 40978568791123. The reversal of 40978568791101 is 10119786587904.

It is not a de Polignac number, because 40978568791101 - 2³ = 40978568791093 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40978568791151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37018866 + ... + 38109756.

It is an arithmetic number, because the mean of its divisors is an integer number (3594620047040).

Almost surely, 2^{40978568791101} is an apocalyptic number.

It is an amenable number.

40978568791101 is a deficient number, since it is larger than the sum of its proper divisors (16535351961539).

40978568791101 is a wasteful number, since it uses less digits than its factorization.

40978568791101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749936.

The product of its (nonzero) digits is 30481920, while the sum is 66.

The spelling of 40978568791101 in words is "forty trillion, nine hundred seventy-eight billion, five hundred sixty-eight million, seven hundred ninety-one thousand, one hundred one".