40452243 has 16 divisors (see below), whose sum is σ = 58442496. Its totient is φ = 24740640.

The previous prime is 40452227. The next prime is 40452257. The reversal of 40452243 is 34225404.

It is not a de Polignac number, because 40452243 - 2⁴ = 40452227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40452143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3408 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (3652656).

Almost surely, 2^40452243 is an apocalyptic number.

40452243 is a deficient number, since it is larger than the sum of its proper divisors (17990253).

40452243 is a wasteful number, since it uses less digits than its factorization.

40452243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 40452243 is about 6360.2077796248. The cubic root of 40452243 is about 343.2792366670.

Adding to 40452243 its reverse (34225404), we get a palindrome (74677647).

The spelling of 40452243 in words is "forty million, four hundred fifty-two thousand, two hundred forty-three".