40765403064 has 32 divisors (see below), whose sum is σ = 102502613520. Its totient is φ = 13509920256.

The previous prime is 40765403057. The next prime is 40765403069. The reversal of 40765403064 is 46030456704.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40765403069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4904977 + ... + 4913280.

Almost surely, 2^40765403064 is an apocalyptic number.

It is an amenable number.

40765403064 is an abundant number, since it is smaller than the sum of its proper divisors (61737210456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40765403064 is a wasteful number, since it uses less digits than its factorization.

40765403064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818439 (or 9818435 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 40765403064 its reverse (46030456704), we get a palindrome (86795859768).

The spelling of 40765403064 in words is "forty billion, seven hundred sixty-five million, four hundred three thousand, sixty-four".