4021424023442 has 32 divisors (see below), whose sum is σ = 6897118636800. Its totient is φ = 1722655464768.

The previous prime is 4021424023387. The next prime is 4021424023459. The reversal of 4021424023442 is 2443204241204.

It is a junction number, because it is equal to n+sod(n) for n = 4021424023399 and 4021424023408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424240859 + ... + 424250337.

It is an arithmetic number, because the mean of its divisors is an integer number (215534957400).

Almost surely, 2^{4021424023442} is an apocalyptic number.

4021424023442 is a deficient number, since it is larger than the sum of its proper divisors (2875694613358).

4021424023442 is a wasteful number, since it uses less digits than its factorization.

4021424023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20570.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4021424023442 its reverse (2443204241204), we get a palindrome (6464628264646).

The spelling of 4021424023442 in words is "four trillion, twenty-one billion, four hundred twenty-four million, twenty-three thousand, four hundred forty-two".