40443052 has 36 divisors (see below), whose sum is σ = 79319520. Its totient is φ = 18013632.

The previous prime is 40443047. The next prime is 40443059. The reversal of 40443052 is 25034404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443059) 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, 18573 + ... + 20635.

It is an arithmetic number, because the mean of its divisors is an integer number (2203320).

Almost surely, 2^40443052 is an apocalyptic number.

It is an amenable number.

40443052 is a deficient number, since it is larger than the sum of its proper divisors (38876468).

40443052 is a wasteful number, since it uses less digits than its factorization.

40443052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40443052 is about 6359.4851992909. The cubic root of 40443052 is about 343.2532363086.

Adding to 40443052 its reverse (25034404), we get a palindrome (65477456).

The spelling of 40443052 in words is "forty million, four hundred forty-three thousand, fifty-two".