40045359 has 8 divisors (see below), whose sum is σ = 54837040. Its totient is φ = 25975296.

The previous prime is 40045321. The next prime is 40045381. The reversal of 40045359 is 95354004.

40045359 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 not a de Polignac number, because 40045359 - 2¹² = 40041263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40045309) 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, 180274 + ... + 180495.

It is an arithmetic number, because the mean of its divisors is an integer number (6854630).

Almost surely, 2^40045359 is an apocalyptic number.

40045359 is a deficient number, since it is larger than the sum of its proper divisors (14791681).

40045359 is a wasteful number, since it uses less digits than its factorization.

40045359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360809.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 40045359 is about 6328.1402481298. The cubic root of 40045359 is about 342.1244118342.

It can be divided in two parts, 40045 and 359, that added together give a palindrome (40404).

The spelling of 40045359 in words is "forty million, forty-five thousand, three hundred fifty-nine".