4021420542303 has 16 divisors (see below), whose sum is σ = 5469903967232. Its totient is φ = 2627266428000.

The previous prime is 4021420542239. The next prime is 4021420542311. The reversal of 4021420542303 is 3032450241204.

It is not a de Polignac number, because 4021420542303 - 2⁶ = 4021420542239 is a prime.

It is a super-2 number, since 2×4021420542303² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021420544303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40494643 + ... + 40593828.

It is an arithmetic number, because the mean of its divisors is an integer number (341868997952).

Almost surely, 2^{4021420542303} is an apocalyptic number.

4021420542303 is a deficient number, since it is larger than the sum of its proper divisors (1448483424929).

4021420542303 is a wasteful number, since it uses less digits than its factorization.

4021420542303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81088806.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 4021420542303 its reverse (3032450241204), we get a palindrome (7053870783507).

The spelling of 4021420542303 in words is "four trillion, twenty-one billion, four hundred twenty million, five hundred forty-two thousand, three hundred three".