404020141305434 has 4 divisors (see below), whose sum is σ = 606030211958154. Its totient is φ = 202010070652716.

The previous prime is 404020141305371. The next prime is 404020141305491. The reversal of 404020141305434 is 434503141020404.

It is a happy number.

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., 338432867937025 + 65587273368409 = 18396545^2 + 8098597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404020141305394 and 404020141305403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005035326357 + ... + 101005035326360.

Almost surely, 2^{404020141305434} is an apocalyptic number.

404020141305434 is a deficient number, since it is larger than the sum of its proper divisors (202010070652720).

404020141305434 is a wasteful number, since it uses less digits than its factorization.

404020141305434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202010070652719.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 404020141305434 its reverse (434503141020404), we get a palindrome (838523282325838).

The spelling of 404020141305434 in words is "four hundred four trillion, twenty billion, one hundred forty-one million, three hundred five thousand, four hundred thirty-four".