40205206325 has 24 divisors (see below), whose sum is σ = 52447759200. Its totient is φ = 30528666560.

The previous prime is 40205206319. The next prime is 40205206331. The reversal of 40205206325 is 52360250204.

40205206325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40205206319) and next prime (40205206331).

It is a de Polignac number, because none of the positive numbers 2^k-40205206325 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427187 + ... + 512736.

It is an arithmetic number, because the mean of its divisors is an integer number (2185323300).

Almost surely, 2^40205206325 is an apocalyptic number.

It is an amenable number.

40205206325 is a deficient number, since it is larger than the sum of its proper divisors (12242552875).

40205206325 is a wasteful number, since it uses less digits than its factorization.

40205206325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940021 (or 940016 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 40205206325 its reverse (52360250204), we get a palindrome (92565456529).

The spelling of 40205206325 in words is "forty billion, two hundred five million, two hundred six thousand, three hundred twenty-five".