40620325065 has 16 divisors (see below), whose sum is σ = 65102133888. Its totient is φ = 21627635456.

The previous prime is 40620325063. The next prime is 40620325073. The reversal of 40620325065 is 56052302604.

40620325065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40620325065 - 2¹ = 40620325063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40620325061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274429 + ... + 2292218.

It is an arithmetic number, because the mean of its divisors is an integer number (4068883368).

Almost surely, 2^40620325065 is an apocalyptic number.

It is an amenable number.

40620325065 is a deficient number, since it is larger than the sum of its proper divisors (24481808823).

40620325065 is a wasteful number, since it uses less digits than its factorization.

40620325065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567248.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 40620325065 its reverse (56052302604), we get a palindrome (96672627669).

The spelling of 40620325065 in words is "forty billion, six hundred twenty million, three hundred twenty-five thousand, sixty-five".