442282170077252 has 12 divisors (see below), whose sum is σ = 773994836416620. Its totient is φ = 221140788243936.

The previous prime is 442282170077207. The next prime is 442282170077281. The reversal of 442282170077252 is 252770071282244.

It can be written as a sum of positive squares in 2 ways, for example, as 135449002721536 + 306833167355716 = 11638256^2 + 17516654^2 .

It is a super-2 number, since 2×442282170077252² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442282170077194 and 442282170077203.

It is an unprimeable number.

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, 70828727 + ... + 76819742.

It is an arithmetic number, because the mean of its divisors is an integer number (64499569701385).

Almost surely, 2^{442282170077252} is an apocalyptic number.

It is an amenable number.

442282170077252 is a deficient number, since it is larger than the sum of its proper divisors (331712666339368).

442282170077252 is a wasteful number, since it uses less digits than its factorization.

442282170077252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148397350 (or 148397348 counting only the distinct ones).

The product of its (nonzero) digits is 7024640, while the sum is 53.

The spelling of 442282170077252 in words is "four hundred forty-two trillion, two hundred eighty-two billion, one hundred seventy million, seventy-seven thousand, two hundred fifty-two".