40543452 has 36 divisors (see below), whose sum is σ = 103279176. Its totient is φ = 13409760.

The previous prime is 40543441. The next prime is 40543471. The reversal of 40543452 is 25434504.

40543452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (2868866).

Almost surely, 2^40543452 is an apocalyptic number.

It is an amenable number.

40543452 is an abundant number, since it is smaller than the sum of its proper divisors (62735724).

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

40543452 is a wasteful number, since it uses less digits than its factorization.

40543452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8738 (or 8733 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 40543452 is about 6367.3740270224. The cubic root of 40543452 is about 343.5370439890.

Adding to 40543452 its reverse (25434504), we get a palindrome (65977956).

The spelling of 40543452 in words is "forty million, five hundred forty-three thousand, four hundred fifty-two".