442066564060340 has 12 divisors (see below), whose sum is σ = 928339784526756. Its totient is φ = 176826625624128.

The previous prime is 442066564060339. The next prime is 442066564060349. The reversal of 442066564060340 is 43060465660244.

It can be written as a sum of positive squares in 2 ways, for example, as 203203542482704 + 238863021577636 = 14254948^2 + 15455194^2 .

It is a super-2 number, since 2×442066564060340² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442066564060349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11051664101489 + ... + 11051664101528.

It is an arithmetic number, because the mean of its divisors is an integer number (77361648710563).

Almost surely, 2^{442066564060340} is an apocalyptic number.

It is an amenable number.

442066564060340 is an abundant number, since it is smaller than the sum of its proper divisors (486273220466416).

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

442066564060340 is a wasteful number, since it uses less digits than its factorization.

442066564060340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22103328203026 (or 22103328203024 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 50.

The spelling of 442066564060340 in words is "four hundred forty-two trillion, sixty-six billion, five hundred sixty-four million, sixty thousand, three hundred forty".