40791009245972 has 12 divisors (see below), whose sum is σ = 75583340661780. Its totient is φ = 19195769056896.

The previous prime is 40791009245971. The next prime is 40791009245983. The reversal of 40791009245972 is 27954290019704.

40791009245972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 19490070539536 + 21300938706436 = 4414756^2 + 4615294^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40791009245971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 299933891447 + ... + 299933891582.

It is an arithmetic number, because the mean of its divisors is an integer number (6298611721815).

Almost surely, 2^{40791009245972} is an apocalyptic number.

It is an amenable number.

40791009245972 is a deficient number, since it is larger than the sum of its proper divisors (34792331415808).

40791009245972 is a wasteful number, since it uses less digits than its factorization.

40791009245972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599867783050 (or 599867783048 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 40791009245972 in words is "forty trillion, seven hundred ninety-one billion, nine million, two hundred forty-five thousand, nine hundred seventy-two".