4021434340412 has 6 divisors (see below), whose sum is σ = 7037510095728. Its totient is φ = 2010717170204.

The previous prime is 4021434340409. The next prime is 4021434340423. The reversal of 4021434340412 is 2140434341204.

It is a congruent number.

It is an unprimeable number.

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, 502679292548 + ... + 502679292555.

It is an arithmetic number, because the mean of its divisors is an integer number (1172918349288).

Almost surely, 2^{4021434340412} is an apocalyptic number.

It is an amenable number.

4021434340412 is a deficient number, since it is larger than the sum of its proper divisors (3016075755316).

4021434340412 is a wasteful number, since it uses less digits than its factorization.

4021434340412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005358585107 (or 1005358585105 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4021434340412 its reverse (2140434341204), we get a palindrome (6161868681616).

The spelling of 4021434340412 in words is "four trillion, twenty-one billion, four hundred thirty-four million, three hundred forty thousand, four hundred twelve".