40545332443 has 32 divisors (see below), whose sum is σ = 53232030720. Its totient is φ = 29942732160.

The previous prime is 40545332393. The next prime is 40545332459. The reversal of 40545332443 is 34423354504.

40545332443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40545332443 - 2²⁵ = 40511778011 is a prime.

It is a super-3 number, since 3×40545332443³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (40545332743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88021 + ... + 298057.

It is an arithmetic number, because the mean of its divisors is an integer number (1663500960).

Almost surely, 2^40545332443 is an apocalyptic number.

40545332443 is a deficient number, since it is larger than the sum of its proper divisors (12686698277).

40545332443 is a wasteful number, since it uses less digits than its factorization.

40545332443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210187.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 40545332443 its reverse (34423354504), we get a palindrome (74968686947).

It can be divided in two parts, 4054533 and 2443, that added together give a triangular number (4056976 = T₂₈₄₈).

The spelling of 40545332443 in words is "forty billion, five hundred forty-five million, three hundred thirty-two thousand, four hundred forty-three".