40335481 has 2 divisors, whose sum is σ = 40335482. Its totient is φ = 40335480.

The previous prime is 40335467. The next prime is 40335487. The reversal of 40335481 is 18453304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28259856 + 12075625 = 5316^2 + 3475^2 .

It is a cyclic number.

It is not a de Polignac number, because 40335481 - 2¹³ = 40327289 is a prime.

It is a super-2 number, since 2×40335481² = 3253902055002722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40335487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20167740 + 20167741.

It is an arithmetic number, because the mean of its divisors is an integer number (20167741).

Almost surely, 2^40335481 is an apocalyptic number.

It is an amenable number.

40335481 is a deficient number, since it is larger than the sum of its proper divisors (1).

40335481 is an equidigital number, since it uses as much as digits as its factorization.

40335481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40335481 is about 6351.0220437344. The cubic root of 40335481 is about 342.9486361561.

Adding to 40335481 its reverse (18453304), we get a palindrome (58788785).

The spelling of 40335481 in words is "forty million, three hundred thirty-five thousand, four hundred eighty-one".