32028040 has 64 divisors (see below), whose sum is σ = 79652160. Its totient is φ = 11493120.

The previous prime is 32028037. The next prime is 32028047. The reversal of 32028040 is 4082023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32027999 and 32028017.

It is not an unprimeable number, because it can be changed into a prime (32028047) 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, 36082 + ... + 36958.

It is an arithmetic number, because the mean of its divisors is an integer number (1244565).

Almost surely, 2^32028040 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 32028040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39826080).

32028040 is an abundant number, since it is smaller than the sum of its proper divisors (47624120).

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

32028040 is a wasteful number, since it uses less digits than its factorization.

32028040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 32028040 is about 5659.3321160716. The cubic root of 32028040 is about 317.5729139999.

The spelling of 32028040 in words is "thirty-two million, twenty-eight thousand, forty".