40121736007025 has 24 divisors (see below), whose sum is σ = 51000629590080. Its totient is φ = 31298576437440.

The previous prime is 40121736007007. The next prime is 40121736007079. The reversal of 40121736007025 is 52070063712104.

40121736007025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40121736007025 - 2⁸ = 40121736006769 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40121736007025.

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 23 ways as a sum of consecutive naturals, for example, 92669165 + ... + 93101114.

It is an arithmetic number, because the mean of its divisors is an integer number (2125026232920).

Almost surely, 2^{40121736007025} is an apocalyptic number.

It is an amenable number.

40121736007025 is a deficient number, since it is larger than the sum of its proper divisors (10878893583055).

40121736007025 is a wasteful number, since it uses less digits than its factorization.

40121736007025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185770505 (or 185770500 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

Adding to 40121736007025 its reverse (52070063712104), we get a palindrome (92191799719129).

The spelling of 40121736007025 in words is "forty trillion, one hundred twenty-one billion, seven hundred thirty-six million, seven thousand, twenty-five".