40103104042 has 4 divisors (see below), whose sum is σ = 60154656066. Its totient is φ = 20051552020.

The previous prime is 40103104039. The next prime is 40103104043. The reversal of 40103104042 is 24040130104.

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., 23265705961 + 16837398081 = 152531^2 + 129759^2 .

It is not an unprimeable number, because it can be changed into a prime (40103104043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10025776009 + ... + 10025776012.

Almost surely, 2^40103104042 is an apocalyptic number.

40103104042 is a deficient number, since it is larger than the sum of its proper divisors (20051552024).

40103104042 is a wasteful number, since it uses less digits than its factorization.

40103104042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20051552023.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40103104042 its reverse (24040130104), we get a palindrome (64143234146).

The spelling of 40103104042 in words is "forty billion, one hundred three million, one hundred four thousand, forty-two".