40040142106 has 8 divisors (see below), whose sum is σ = 60061560660. Its totient is φ = 20019621888.

The previous prime is 40040142101. The next prime is 40040142113. The reversal of 40040142106 is 60124104004.

It can be written as a sum of positive squares in 2 ways, for example, as 40022003025 + 18139081 = 200055^2 + 4259^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40040142101) 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, 99141 + ... + 299848.

Almost surely, 2^40040142106 is an apocalyptic number.

40040142106 is a deficient number, since it is larger than the sum of its proper divisors (20021418554).

40040142106 is a wasteful number, since it uses less digits than its factorization.

40040142106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449168.

The product of its (nonzero) digits is 768, while the sum is 22.

The spelling of 40040142106 in words is "forty billion, forty million, one hundred forty-two thousand, one hundred six".