40423042106 has 4 divisors (see below), whose sum is σ = 60634563162. Its totient is φ = 20211521052.

The previous prime is 40423042097. The next prime is 40423042117. The reversal of 40423042106 is 60124032404.

40423042106 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.

It can be written as a sum of positive squares in only one way, i.e., 23718772081 + 16704270025 = 154009^2 + 129245^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105760525 + ... + 10105760528.

Almost surely, 2^40423042106 is an apocalyptic number.

40423042106 is a deficient number, since it is larger than the sum of its proper divisors (20211521056).

40423042106 is a wasteful number, since it uses less digits than its factorization.

40423042106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211521055.

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 40423042106 in words is "forty billion, four hundred twenty-three million, forty-two thousand, one hundred six".