40401430443 has 12 divisors (see below), whose sum is σ = 63662860248. Its totient is φ = 24485715360.

The previous prime is 40401430361. The next prime is 40401430457. The reversal of 40401430443 is 34403410404.

40401430443 is a `hidden beast` number, since 40 + 40 + 143 + 0 + 443 = 666.

It is not a de Polignac number, because 40401430443 - 2¹⁶ = 40401364907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40401430483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204047530 + ... + 204047727.

It is an arithmetic number, because the mean of its divisors is an integer number (5305238354).

Almost surely, 2^40401430443 is an apocalyptic number.

40401430443 is a deficient number, since it is larger than the sum of its proper divisors (23261429805).

40401430443 is a wasteful number, since it uses less digits than its factorization.

40401430443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408095274 (or 408095271 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40401430443 its reverse (34403410404), we get a palindrome (74804840847).

The spelling of 40401430443 in words is "forty billion, four hundred one million, four hundred thirty thousand, four hundred forty-three".