40323032 has 8 divisors (see below), whose sum is σ = 75605700. Its totient is φ = 20161512.

The previous prime is 40323029. The next prime is 40323047. The reversal of 40323032 is 23032304.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 40323032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520182 + ... + 2520197.

Almost surely, 2^40323032 is an apocalyptic number.

It is an amenable number.

40323032 is a deficient number, since it is larger than the sum of its proper divisors (35282668).

40323032 is a wasteful number, since it uses less digits than its factorization.

40323032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040385 (or 5040381 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40323032 is about 6350.0418896256. The cubic root of 40323032 is about 342.9133503749.

Adding to 40323032 its reverse (23032304), we get a palindrome (63355336).

The spelling of 40323032 in words is "forty million, three hundred twenty-three thousand, thirty-two".