32440135331 has 4 divisors (see below), whose sum is σ = 32445509592. Its totient is φ = 32434761072.

The previous prime is 32440135313. The next prime is 32440135339. The reversal of 32440135331 is 13353104423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32440135331 is a prime.

It is a super-2 number, since 2×32440135331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32440135294 and 32440135303.

It is not an unprimeable number, because it can be changed into a prime (32440135339) 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 3 ways as a sum of consecutive naturals, for example, 2678066 + ... + 2690151.

It is an arithmetic number, because the mean of its divisors is an integer number (8111377398).

Almost surely, 2^32440135331 is an apocalyptic number.

32440135331 is a deficient number, since it is larger than the sum of its proper divisors (5374261).

32440135331 is an equidigital number, since it uses as much as digits as its factorization.

32440135331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374260.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 32440135331 its reverse (13353104423), we get a palindrome (45793239754).

The spelling of 32440135331 in words is "thirty-two billion, four hundred forty million, one hundred thirty-five thousand, three hundred thirty-one".