40204240125 has 64 divisors (see below), whose sum is σ = 76854096384. Its totient is φ = 18283622400.

The previous prime is 40204240123. The next prime is 40204240129. The reversal of 40204240125 is 52104240204.

It is a happy number.

40204240125 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 40204240125 - 2¹ = 40204240123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40204240095 and 40204240104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204240121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466947 + ... + 546303.

It is an arithmetic number, because the mean of its divisors is an integer number (1200845256).

Almost surely, 2^40204240125 is an apocalyptic number.

It is an amenable number.

40204240125 is a deficient number, since it is larger than the sum of its proper divisors (36649856259).

40204240125 is a wasteful number, since it uses less digits than its factorization.

40204240125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79575 (or 79565 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 40204240125 its reverse (52104240204), we get a palindrome (92308480329).

The spelling of 40204240125 in words is "forty billion, two hundred four million, two hundred forty thousand, one hundred twenty-five".