80442232 has 64 divisors (see below), whose sum is σ = 173638080. Its totient is φ = 34609152.

The previous prime is 80442227. The next prime is 80442233. The reversal of 80442232 is 23224408.

It is a super-3 number, since 3×80442232³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80442197 and 80442206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80442233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305733 + ... + 305995.

It is an arithmetic number, because the mean of its divisors is an integer number (2713095).

Almost surely, 2^80442232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80442232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86819040).

80442232 is an abundant number, since it is smaller than the sum of its proper divisors (93195848).

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

80442232 is a wasteful number, since it uses less digits than its factorization.

80442232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 80442232 is about 8968.9593599258. The cubic root of 80442232 is about 431.6794461283.

The spelling of 80442232 in words is "eighty million, four hundred forty-two thousand, two hundred thirty-two".