80944416 has 72 divisors (see below), whose sum is σ = 263075904. Its totient is φ = 23126400.

The previous prime is 80944411. The next prime is 80944421. The reversal of 80944416 is 61444908.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80944411) and next prime (80944421).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80944411) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18060 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (3653832).

Almost surely, 2^80944416 is an apocalyptic number.

It is an amenable number.

80944416 is an abundant number, since it is smaller than the sum of its proper divisors (182131488).

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

80944416 is a wasteful number, since it uses less digits than its factorization.

80944416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40174 (or 40163 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80944416 is about 8996.9114700546. The cubic root of 80944416 is about 432.5758780745.

The spelling of 80944416 in words is "eighty million, nine hundred forty-four thousand, four hundred sixteen".