80442612 has 48 divisors (see below), whose sum is σ = 211686720. Its totient is φ = 26411616.

The previous prime is 80442611. The next prime is 80442617. The reversal of 80442612 is 21624408.

80442612 is a `hidden beast` number, since 8 + 0 + 4 + 42 + 612 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80442611) 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, 1678 + ... + 12794.

It is an arithmetic number, because the mean of its divisors is an integer number (4410140).

Almost surely, 2^80442612 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 80442612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105843360).

80442612 is an abundant number, since it is smaller than the sum of its proper divisors (131244108).

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

80442612 is a wasteful number, since it uses less digits than its factorization.

80442612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197 (or 11189 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 80442612 is about 8968.9805440752. The cubic root of 80442612 is about 431.6801258622.

The spelling of 80442612 in words is "eighty million, four hundred forty-two thousand, six hundred twelve".