32340440413 has 2 divisors, whose sum is σ = 32340440414. Its totient is φ = 32340440412.

The previous prime is 32340440401. The next prime is 32340440423. The reversal of 32340440413 is 31404404323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31997338884 + 343101529 = 178878^2 + 18523^2 .

It is a cyclic number.

It is not a de Polignac number, because 32340440413 - 2⁵ = 32340440381 is a prime.

It is a super-2 number, since 2×32340440413² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32340440423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16170220206 + 16170220207.

It is an arithmetic number, because the mean of its divisors is an integer number (16170220207).

Almost surely, 2^32340440413 is an apocalyptic number.

It is an amenable number.

32340440413 is a deficient number, since it is larger than the sum of its proper divisors (1).

32340440413 is an equidigital number, since it uses as much as digits as its factorization.

32340440413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 32340440413 its reverse (31404404323), we get a palindrome (63744844736).

The spelling of 32340440413 in words is "thirty-two billion, three hundred forty million, four hundred forty thousand, four hundred thirteen".