80028432 has 120 divisors (see below), whose sum is σ = 252657440. Its totient is φ = 24235200.

The previous prime is 80028409. The next prime is 80028467. The reversal of 80028432 is 23482008.

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

It is a junction number, because it is equal to n+sod(n) for n = 80028396 and 80028405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51507 + ... + 53037.

Almost surely, 2^80028432 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 80028432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126328720).

80028432 is an abundant number, since it is smaller than the sum of its proper divisors (172629008).

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

80028432 is a wasteful number, since it uses less digits than its factorization.

80028432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1547 counting only the distinct ones).

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

The square root of 80028432 is about 8945.8611659247. The cubic root of 80028432 is about 430.9379776996.

The spelling of 80028432 in words is "eighty million, twenty-eight thousand, four hundred thirty-two".