4021442231442 has 16 divisors (see below), whose sum is σ = 8049872212992. Its totient is φ = 1339316118800.

The previous prime is 4021442231371. The next prime is 4021442231473. The reversal of 4021442231442 is 2441322441204.

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, 291148773 + ... + 291162584.

It is an arithmetic number, because the mean of its divisors is an integer number (503117013312).

Almost surely, 2^{4021442231442} is an apocalyptic number.

4021442231442 is an abundant number, since it is smaller than the sum of its proper divisors (4028429981550).

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

4021442231442 is a wasteful number, since it uses less digits than its factorization.

4021442231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582312513.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 4021442231442 its reverse (2441322441204), we get a palindrome (6462764672646).

The spelling of 4021442231442 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred thirty-one thousand, four hundred forty-two".