40543032 has 48 divisors (see below), whose sum is σ = 103089240. Its totient is φ = 13287168.

The previous prime is 40543031. The next prime is 40543033. The reversal of 40543032 is 23034504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40543031) and next prime (40543033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127738 + ... + 128054.

Almost surely, 2^40543032 is an apocalyptic number.

It is an amenable number.

40543032 is an abundant number, since it is smaller than the sum of its proper divisors (62546208).

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

40543032 is a wasteful number, since it uses less digits than its factorization.

40543032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40543032 is about 6367.3410463081. The cubic root of 40543032 is about 343.5358577222.

Adding to 40543032 its reverse (23034504), we get a palindrome (63577536).

The spelling of 40543032 in words is "forty million, five hundred forty-three thousand, thirty-two".