40032365445 has 24 divisors (see below), whose sum is σ = 69413760000. Its totient is φ = 21343109856.

The previous prime is 40032365413. The next prime is 40032365497. The reversal of 40032365445 is 54456323004.

It is not a de Polignac number, because 40032365445 - 2⁵ = 40032365413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24945 + ... + 284054.

It is an arithmetic number, because the mean of its divisors is an integer number (2892240000).

Almost surely, 2^40032365445 is an apocalyptic number.

40032365445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40032365445 is a deficient number, since it is larger than the sum of its proper divisors (29381394555).

40032365445 is a wasteful number, since it uses less digits than its factorization.

40032365445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311889 (or 311886 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 40032365445 its reverse (54456323004), we get a palindrome (94488688449).

The spelling of 40032365445 in words is "forty billion, thirty-two million, three hundred sixty-five thousand, four hundred forty-five".