40321023125 has 20 divisors (see below), whose sum is σ = 50576935200. Its totient is φ = 32134038000.

The previous prime is 40321023121. The next prime is 40321023157. The reversal of 40321023125 is 52132012304.

It is not a de Polignac number, because 40321023125 - 2² = 40321023121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40321023125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40321023121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41726 + ... + 287024.

It is an arithmetic number, because the mean of its divisors is an integer number (2528846760).

Almost surely, 2^40321023125 is an apocalyptic number.

It is an amenable number.

40321023125 is a deficient number, since it is larger than the sum of its proper divisors (10255912075).

40321023125 is an equidigital number, since it uses as much as digits as its factorization.

40321023125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245582 (or 245567 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 40321023125 its reverse (52132012304), we get a palindrome (92453035429).

The spelling of 40321023125 in words is "forty billion, three hundred twenty-one million, twenty-three thousand, one hundred twenty-five".