32440340031 has 8 divisors (see below), whose sum is σ = 47185949184. Its totient is φ = 19660812120.

The previous prime is 32440340017. The next prime is 32440340063. The reversal of 32440340031 is 13004304423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32440340031 - 2¹⁰ = 32440339007 is a prime.

It is a super-2 number, since 2×32440340031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32440339983 and 32440340010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32440340081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491520271 + ... + 491520336.

It is an arithmetic number, because the mean of its divisors is an integer number (5898243648).

Almost surely, 2^32440340031 is an apocalyptic number.

32440340031 is a deficient number, since it is larger than the sum of its proper divisors (14745609153).

32440340031 is a wasteful number, since it uses less digits than its factorization.

32440340031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983040621.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 32440340031 its reverse (13004304423), we get a palindrome (45444644454).

The spelling of 32440340031 in words is "thirty-two billion, four hundred forty million, three hundred forty thousand, thirty-one".