80842242 has 64 divisors (see below), whose sum is σ = 188987904. Its totient is φ = 22824960.

The previous prime is 80842199. The next prime is 80842243. The reversal of 80842242 is 24224808.

It is not an unprimeable number, because it can be changed into a prime (80842243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53623 + ... + 55109.

It is an arithmetic number, because the mean of its divisors is an integer number (2952936).

Almost surely, 2^80842242 is an apocalyptic number.

80842242 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 80842242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94493952).

80842242 is an abundant number, since it is smaller than the sum of its proper divisors (108145662).

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

80842242 is a wasteful number, since it uses less digits than its factorization.

80842242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 80842242 is about 8991.2313950871. The cubic root of 80842242 is about 432.3937917340.

The spelling of 80842242 in words is "eighty million, eight hundred forty-two thousand, two hundred forty-two".