40445343 has 24 divisors (see below), whose sum is σ = 60780720. Its totient is φ = 25885440.

The previous prime is 40445303. The next prime is 40445369. The reversal of 40445343 is 34354404.

It is not a de Polignac number, because 40445343 - 2⁸ = 40445087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62580 + ... + 63222.

It is an arithmetic number, because the mean of its divisors is an integer number (2532530).

Almost surely, 2^40445343 is an apocalyptic number.

40445343 is a deficient number, since it is larger than the sum of its proper divisors (20335377).

40445343 is a wasteful number, since it uses less digits than its factorization.

40445343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 40445343 is about 6359.6653213829. The cubic root of 40445343 is about 343.2597176717.

Adding to 40445343 its reverse (34354404), we get a palindrome (74799747).

It can be divided in two parts, 404453 and 43, that added together give a square (404496 = 636²).

The spelling of 40445343 in words is "forty million, four hundred forty-five thousand, three hundred forty-three".