40545355 has 4 divisors (see below), whose sum is σ = 48654432. Its totient is φ = 32436280.

The previous prime is 40545353. The next prime is 40545367. The reversal of 40545355 is 55354504.

40545355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40545355 - 2¹ = 40545353 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40545353) 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 3 ways as a sum of consecutive naturals, for example, 4054531 + ... + 4054540.

It is an arithmetic number, because the mean of its divisors is an integer number (12163608).

Almost surely, 2^40545355 is an apocalyptic number.

40545355 is a deficient number, since it is larger than the sum of its proper divisors (8109077).

40545355 is an equidigital number, since it uses as much as digits as its factorization.

40545355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109076.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 40545355 is about 6367.5234589281. The cubic root of 40545355 is about 343.5424188049.

Adding to 40545355 its reverse (55354504), we get a palindrome (95899859).

It can be divided in two parts, 4054 and 5355, that added together give a square (9409 = 97²).

The spelling of 40545355 in words is "forty million, five hundred forty-five thousand, three hundred fifty-five".