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442230440441 = 1931174840149
BaseRepresentation
bin1100110111101101111…
…11010000000111111001
31120021110210121000120112
412123312333100013321
524221141443043231
6535054033034105
743643611502426
oct6336677200771
91507423530515
10442230440441
11160604611349
127185a0b5935
133291881c83a
1417592a92d4d
15b78411192b
hex66f6fd01f9

442230440441 has 8 divisors (see below), whose sum is σ = 467002536000. Its totient is φ = 417608025840.

The previous prime is 442230440437. The next prime is 442230440461. The reversal of 442230440441 is 144044032244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442230440441 - 22 = 442230440437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442230440398 and 442230440407.

It is not an unprimeable number, because it can be changed into a prime (442230440461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37414166 + ... + 37425983.

It is an arithmetic number, because the mean of its divisors is an integer number (58375317000).

Almost surely, 2442230440441 is an apocalyptic number.

It is an amenable number.

442230440441 is a deficient number, since it is larger than the sum of its proper divisors (24772095559).

442230440441 is a wasteful number, since it uses less digits than its factorization.

442230440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74840479.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 442230440441 its reverse (144044032244), we get a palindrome (586274472685).

The spelling of 442230440441 in words is "four hundred forty-two billion, two hundred thirty million, four hundred forty thousand, four hundred forty-one".

Divisors: 1 19 311 5909 74840149 1421962831 23275286339 442230440441