4021424442140 has 24 divisors (see below), whose sum is σ = 9651418661472. Its totient is φ = 1378774094400.

The previous prime is 4021424442059. The next prime is 4021424442173. The reversal of 4021424442140 is 412444241204.

4021424442140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4021424442097 and 4021424442106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14362230011 + ... + 14362230290.

It is an arithmetic number, because the mean of its divisors is an integer number (402142444228).

Almost surely, 2^{4021424442140} is an apocalyptic number.

It is an amenable number.

4021424442140 is an abundant number, since it is smaller than the sum of its proper divisors (5629994219332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021424442140 is a wasteful number, since it uses less digits than its factorization.

4021424442140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28724460317 (or 28724460315 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 4021424442140 its reverse (412444241204), we get a palindrome (4433868683344).

The spelling of 4021424442140 in words is "four trillion, twenty-one billion, four hundred twenty-four million, four hundred forty-two thousand, one hundred forty".