842081330 has 16 divisors (see below), whose sum is σ = 1595522880. Its totient is φ = 319104432.

The previous prime is 842081299. The next prime is 842081351. The reversal of 842081330 is 33180248.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 842081293 and 842081302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215814 + ... + 2216193.

It is an arithmetic number, because the mean of its divisors is an integer number (99720180).

Almost surely, 2^842081330 is an apocalyptic number.

842081330 is a deficient number, since it is larger than the sum of its proper divisors (753441550).

842081330 is a wasteful number, since it uses less digits than its factorization.

842081330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432033.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 842081330 is about 29018.6376317015. The cubic root of 842081330 is about 944.3174452172.

The spelling of 842081330 in words is "eight hundred forty-two million, eighty-one thousand, three hundred thirty".