40032301605 has 32 divisors (see below), whose sum is σ = 64884840960. Its totient is φ = 21076406208.

The previous prime is 40032301601. The next prime is 40032301643. The reversal of 40032301605 is 50610323004.

It is a happy number.

It is not a de Polignac number, because 40032301605 - 2² = 40032301601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032301601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7392879 + ... + 7398291.

It is an arithmetic number, because the mean of its divisors is an integer number (2027651280).

Almost surely, 2^40032301605 is an apocalyptic number.

It is an amenable number.

40032301605 is a deficient number, since it is larger than the sum of its proper divisors (24852539355).

40032301605 is an frugal number, since it uses more digits than its factorization.

40032301605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658 (or 5500 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 40032301605 its reverse (50610323004), we get a palindrome (90642624609).

The spelling of 40032301605 in words is "forty billion, thirty-two million, three hundred one thousand, six hundred five".