41440321 has 6 divisors (see below), whose sum is σ = 44873430. Its totient is φ = 38252448.

The previous prime is 41440277. The next prime is 41440337. The reversal of 41440321 is 12304414.

It can be written as a sum of positive squares in 3 ways, for example, as 18225 + 41422096 = 135^2 + 6436^2 .

It is not a de Polignac number, because 41440321 - 2¹³ = 41432129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41440921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122436 + ... + 122773.

It is an arithmetic number, because the mean of its divisors is an integer number (7478905).

Almost surely, 2^41440321 is an apocalyptic number.

It is an amenable number.

41440321 is a deficient number, since it is larger than the sum of its proper divisors (3433109).

41440321 is a wasteful number, since it uses less digits than its factorization.

41440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245235 (or 245222 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 41440321 is about 6437.4157081860. The cubic root of 41440321 is about 346.0517397316.

Adding to 41440321 its reverse (12304414), we get a palindrome (53744735).

The spelling of 41440321 in words is "forty-one million, four hundred forty thousand, three hundred twenty-one".