40320241 has 4 divisors (see below), whose sum is σ = 43421812. Its totient is φ = 37218672.

The previous prime is 40320233. The next prime is 40320253. The reversal of 40320241 is 14202304.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2755600 + 37564641 = 1660^2 + 6129^2 .

It is a cyclic number.

It is not a de Polignac number, because 40320241 - 2³ = 40320233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40320211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550766 + ... + 1550791.

It is an arithmetic number, because the mean of its divisors is an integer number (10855453).

Almost surely, 2^40320241 is an apocalyptic number.

It is an amenable number.

40320241 is a deficient number, since it is larger than the sum of its proper divisors (3101571).

40320241 is a wasteful number, since it uses less digits than its factorization.

40320241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101570.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40320241 is about 6349.8221234929. The cubic root of 40320241 is about 342.9054384926.

Adding to 40320241 its reverse (14202304), we get a palindrome (54522545).

The spelling of 40320241 in words is "forty million, three hundred twenty thousand, two hundred forty-one".