80489472 has 176 divisors, whose sum is σ = 259395840. Its totient is φ = 21676032.

The previous prime is 80489447. The next prime is 80489473. The reversal of 80489472 is 27498408.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (80489473) 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, 408478 + ... + 408674.

It is an arithmetic number, because the mean of its divisors is an integer number (1473840).

Almost surely, 2^80489472 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 80489472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129697920).

80489472 is an abundant number, since it is smaller than the sum of its proper divisors (178906368).

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

80489472 is a wasteful number, since it uses less digits than its factorization.

80489472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 80489472 is about 8971.5925007771. The cubic root of 80489472 is about 431.7639313792.

The spelling of 80489472 in words is "eighty million, four hundred eighty-nine thousand, four hundred seventy-two".