4020424404442 has 8 divisors (see below), whose sum is σ = 6030996501600. Its totient is φ = 2010092237244.

The previous prime is 4020424404433. The next prime is 4020424404463. The reversal of 4020424404442 is 2444044240204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4020424404398 and 4020424404407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59940592 + ... + 60007627.

It is an arithmetic number, because the mean of its divisors is an integer number (753874562700).

Almost surely, 2^{4020424404442} is an apocalyptic number.

4020424404442 is a deficient number, since it is larger than the sum of its proper divisors (2010572097158).

4020424404442 is a wasteful number, since it uses less digits than its factorization.

4020424404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119964980.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 4020424404442 its reverse (2444044240204), we get a palindrome (6464468644646).

The spelling of 4020424404442 in words is "four trillion, twenty billion, four hundred twenty-four million, four hundred four thousand, four hundred forty-two".