842320026 has 32 divisors (see below), whose sum is σ = 1873128000. Its totient is φ = 280577520.

The previous prime is 842320013. The next prime is 842320033. The reversal of 842320026 is 620023248.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87156 + ... + 96336.

It is an arithmetic number, because the mean of its divisors is an integer number (58535250).

Almost surely, 2^842320026 is an apocalyptic number.

842320026 is an abundant number, since it is smaller than the sum of its proper divisors (1030807974).

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

842320026 is a wasteful number, since it uses less digits than its factorization.

842320026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891 (or 10885 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 842320026 is about 29022.7501453601. The cubic root of 842320026 is about 944.4066620559.

The spelling of 842320026 in words is "eight hundred forty-two million, three hundred twenty thousand, twenty-six".