442420243040342 has 32 divisors (see below), whose sum is σ = 762388087086912. Its totient is φ = 188620390416384.

The previous prime is 442420243040299. The next prime is 442420243040353. The reversal of 442420243040342 is 243040342024244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442420243040296 and 442420243040305.

It is a congruent number.

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, 85054118 + ... + 90105734.

It is an arithmetic number, because the mean of its divisors is an integer number (23824627721466).

Almost surely, 2^{442420243040342} is an apocalyptic number.

442420243040342 is a deficient number, since it is larger than the sum of its proper divisors (319967844046570).

442420243040342 is a wasteful number, since it uses less digits than its factorization.

442420243040342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084232.

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 442420243040342 its reverse (243040342024244), we get a palindrome (685460585064586).

The spelling of 442420243040342 in words is "four hundred forty-two trillion, four hundred twenty billion, two hundred forty-three million, forty thousand, three hundred forty-two".