40413132321 has 4 divisors (see below), whose sum is σ = 53884176432. Its totient is φ = 26942088212.

The previous prime is 40413132317. The next prime is 40413132379. The reversal of 40413132321 is 12323131404.

It is a happy number.

40413132321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40413132321 - 2² = 40413132317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40413132291 and 40413132300.

It is not an unprimeable number, because it can be changed into a prime (40413132391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6735522051 + ... + 6735522056.

It is an arithmetic number, because the mean of its divisors is an integer number (13471044108).

Almost surely, 2^40413132321 is an apocalyptic number.

It is an amenable number.

40413132321 is a deficient number, since it is larger than the sum of its proper divisors (13471044111).

40413132321 is a wasteful number, since it uses less digits than its factorization.

40413132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471044110.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 40413132321 its reverse (12323131404), we get a palindrome (52736263725).

The spelling of 40413132321 in words is "forty billion, four hundred thirteen million, one hundred thirty-two thousand, three hundred twenty-one".