4020144702268 has 6 divisors (see below), whose sum is σ = 7035253228976. Its totient is φ = 2010072351132.

The previous prime is 4020144702247. The next prime is 4020144702271. The reversal of 4020144702268 is 8622074410204.

It is a self number, because there is not a number n which added to its sum of digits gives 4020144702268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502518087780 + ... + 502518087787.

Almost surely, 2^{4020144702268} is an apocalyptic number.

It is an amenable number.

4020144702268 is a deficient number, since it is larger than the sum of its proper divisors (3015108526708).

4020144702268 is a wasteful number, since it uses less digits than its factorization.

4020144702268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005036175571 (or 1005036175569 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 4020144702268 in words is "four trillion, twenty billion, one hundred forty-four million, seven hundred two thousand, two hundred sixty-eight".