40051443 has 8 divisors (see below), whose sum is σ = 53722368. Its totient is φ = 26540744.

The previous prime is 40051433. The next prime is 40051457. The reversal of 40051443 is 34415004.

40051443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40051443 - 2¹³ = 40043251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40051423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39471 + ... + 40472.

It is an arithmetic number, because the mean of its divisors is an integer number (6715296).

Almost surely, 2^40051443 is an apocalyptic number.

40051443 is a deficient number, since it is larger than the sum of its proper divisors (13670925).

40051443 is a wasteful number, since it uses less digits than its factorization.

40051443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80113.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40051443 is about 6328.6209398257. The cubic root of 40051443 is about 342.1417370172.

Adding to 40051443 its reverse (34415004), we get a palindrome (74466447).

The spelling of 40051443 in words is "forty million, fifty-one thousand, four hundred forty-three".