80732444 has 48 divisors (see below), whose sum is σ = 164146080. Its totient is φ = 34421760.

The previous prime is 80732437. The next prime is 80732447. The reversal of 80732444 is 44423708.

It is a self number, because there is not a number n which added to its sum of digits gives 80732444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80732447) 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, 39512 + ... + 41504.

It is an arithmetic number, because the mean of its divisors is an integer number (3419710).

Almost surely, 2^80732444 is an apocalyptic number.

It is an amenable number.

80732444 is an abundant number, since it is smaller than the sum of its proper divisors (83413636).

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

80732444 is a wasteful number, since it uses less digits than its factorization.

80732444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 80732444 is about 8985.1234827352. The cubic root of 80732444 is about 432.1979474073.

The spelling of 80732444 in words is "eighty million, seven hundred thirty-two thousand, four hundred forty-four".