4021440241042 has 16 divisors (see below), whose sum is σ = 6932410954560. Its totient is φ = 1713846039408.

The previous prime is 4021440241019. The next prime is 4021440241057. The reversal of 4021440241042 is 2401420441204.

It is a happy number.

It is a super-2 number, since 2×4021440241042² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021440241042.

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 in 7 ways as a sum of consecutive naturals, for example, 802359873 + ... + 802364884.

It is an arithmetic number, because the mean of its divisors is an integer number (433275684660).

Almost surely, 2^{4021440241042} is an apocalyptic number.

4021440241042 is a deficient number, since it is larger than the sum of its proper divisors (2910970713518).

4021440241042 is a wasteful number, since it uses less digits than its factorization.

4021440241042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604724945.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4021440241042 its reverse (2401420441204), we get a palindrome (6422860682246).

The spelling of 4021440241042 in words is "four trillion, twenty-one billion, four hundred forty million, two hundred forty-one thousand, forty-two".