442668768851045 has 32 divisors (see below), whose sum is σ = 612343329361920. Its totient is φ = 304045472427840.

The previous prime is 442668768851041. The next prime is 442668768851053. The reversal of 442668768851045 is 540158867866244.

It is not a de Polignac number, because 442668768851045 - 2² = 442668768851041 is a prime.

It is a super-4 number, since 4×442668768851045⁴ (a number of 60 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442668768851041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214683519 + ... + 2214883388.

It is an arithmetic number, because the mean of its divisors is an integer number (19135729042560).

Almost surely, 2^{442668768851045} is an apocalyptic number.

It is an amenable number.

442668768851045 is a deficient number, since it is larger than the sum of its proper divisors (169674560510875).

442668768851045 is a wasteful number, since it uses less digits than its factorization.

442668768851045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429567025.

The product of its (nonzero) digits is 2477260800, while the sum is 74.

The spelling of 442668768851045 in words is "four hundred forty-two trillion, six hundred sixty-eight billion, seven hundred sixty-eight million, eight hundred fifty-one thousand, forty-five".