409141436042 has 4 divisors (see below), whose sum is σ = 613712154066. Its totient is φ = 204570718020.

The previous prime is 409141436017. The next prime is 409141436051. The reversal of 409141436042 is 240634141904.

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., 275550455041 + 133590981001 = 524929^2 + 365501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 409141435987 and 409141436005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102285359009 + ... + 102285359012.

Almost surely, 2^409141436042 is an apocalyptic number.

409141436042 is a deficient number, since it is larger than the sum of its proper divisors (204570718024).

409141436042 is a wasteful number, since it uses less digits than its factorization.

409141436042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204570718023.

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 409141436042 its reverse (240634141904), we get a palindrome (649775577946).

The spelling of 409141436042 in words is "four hundred nine billion, one hundred forty-one million, four hundred thirty-six thousand, forty-two".