80543232 has 240 divisors, whose sum is σ = 291088512. Its totient is φ = 20828160.

The previous prime is 80543227. The next prime is 80543233. The reversal of 80543232 is 23234508.

It is a junction number, because it is equal to n+sod(n) for n = 80543196 and 80543205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80543233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354703 + ... + 354929.

Almost surely, 2^80543232 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 80543232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145544256).

80543232 is an abundant number, since it is smaller than the sum of its proper divisors (210545280).

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

80543232 is a wasteful number, since it uses less digits than its factorization.

80543232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 80543232 is about 8974.5881242539. The cubic root of 80543232 is about 431.8600369630.

The spelling of 80543232 in words is "eighty million, five hundred forty-three thousand, two hundred thirty-two".