440342041 has 4 divisors (see below), whose sum is σ = 466244532. Its totient is φ = 414439552.

The previous prime is 440342029. The next prime is 440342053. The reversal of 440342041 is 140243044.

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

It is an interprime number because it is at equal distance from previous prime (440342029) and next prime (440342053).

It can be written as a sum of positive squares in 2 ways, for example, as 384316816 + 56025225 = 19604^2 + 7485^2 .

It is a cyclic number.

It is not a de Polignac number, because 440342041 - 2¹¹ = 440339993 is a prime.

It is a super-2 number, since 2×440342041² = 387802226144091362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440342341) 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, 12951220 + ... + 12951253.

It is an arithmetic number, because the mean of its divisors is an integer number (116561133).

Almost surely, 2^440342041 is an apocalyptic number.

It is an amenable number.

440342041 is a deficient number, since it is larger than the sum of its proper divisors (25902491).

440342041 is a wasteful number, since it uses less digits than its factorization.

440342041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25902490.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440342041 is about 20984.3284619737. The cubic root of 440342041 is about 760.7875268115.

Adding to 440342041 its reverse (140243044), we get a palindrome (580585085).

The spelling of 440342041 in words is "four hundred forty million, three hundred forty-two thousand, forty-one".