442250270361 has 45 divisors (see below), whose sum is σ = 697425655311. Its totient is φ = 279244138176.

The previous prime is 442250270359. The next prime is 442250270381. The reversal of 442250270361 is 163072052244.

The square root of 442250270361 is 665019.

It is a perfect power (a square), and thus also a powerful number.

442250270361 is a `hidden beast` number, since 4 + 4 + 2 + 25 + 0 + 270 + 361 = 666.

It can be written as a sum of positive squares in only one way, i.e., 320560924761 + 121689345600 = 566181^2 + 348840^2 .

It is not a de Polignac number, because 442250270361 - 2¹ = 442250270359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442250270381) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 113716305 + ... + 113720193.

Almost surely, 2^442250270361 is an apocalyptic number.

442250270361 is the 665019-th square number.

442250270361 is the 332510-th centered octagonal number.

It is an amenable number.

442250270361 is a deficient number, since it is larger than the sum of its proper divisors (255175384950).

442250270361 is an frugal number, since it uses more digits than its factorization.

442250270361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7828 (or 3911 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Multiplying 442250270361 by its sum of digits (36), we get a square (15921009732996 = 3990114²).

The spelling of 442250270361 in words is "four hundred forty-two billion, two hundred fifty million, two hundred seventy thousand, three hundred sixty-one".