40533232 has 40 divisors (see below), whose sum is σ = 83308160. Its totient is φ = 19051200.

The previous prime is 40533217. The next prime is 40533263. The reversal of 40533232 is 23233504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45463 + ... + 46345.

It is an arithmetic number, because the mean of its divisors is an integer number (2082704).

Almost surely, 2^40533232 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 40533232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41654080).

40533232 is an abundant number, since it is smaller than the sum of its proper divisors (42774928).

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

40533232 is a wasteful number, since it uses less digits than its factorization.

40533232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 40533232 is about 6366.5714478045. The cubic root of 40533232 is about 343.5081758367.

Adding to 40533232 its reverse (23233504), we get a palindrome (63766736).

The spelling of 40533232 in words is "forty million, five hundred thirty-three thousand, two hundred thirty-two".