442206642415 has 24 divisors (see below), whose sum is σ = 553427748720. Its totient is φ = 339018161664.

The previous prime is 442206642391. The next prime is 442206642433. The reversal of 442206642415 is 514246602244.

It is a de Polignac number, because none of the positive numbers 2^k-442206642415 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237831 + ... + 970039.

It is an arithmetic number, because the mean of its divisors is an integer number (23059489530).

Almost surely, 2^442206642415 is an apocalyptic number.

442206642415 is a deficient number, since it is larger than the sum of its proper divisors (111221106305).

442206642415 is an equidigital number, since it uses as much as digits as its factorization.

442206642415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732363 (or 732310 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 442206642415 in words is "four hundred forty-two billion, two hundred six million, six hundred forty-two thousand, four hundred fifteen".