40342232113 has 4 divisors (see below), whose sum is σ = 40350465088. Its totient is φ = 40333999140.

The previous prime is 40342232101. The next prime is 40342232129. The reversal of 40342232113 is 31123224304.

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 40342232113 - 2²⁵ = 40308677681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40342232153) 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, 4109133 + ... + 4118938.

It is an arithmetic number, because the mean of its divisors is an integer number (10087616272).

Almost surely, 2^40342232113 is an apocalyptic number.

It is an amenable number.

40342232113 is a deficient number, since it is larger than the sum of its proper divisors (8232975).

40342232113 is an equidigital number, since it uses as much as digits as its factorization.

40342232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232974.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40342232113 its reverse (31123224304), we get a palindrome (71465456417).

The spelling of 40342232113 in words is "forty billion, three hundred forty-two million, two hundred thirty-two thousand, one hundred thirteen".