440243401 has 4 divisors (see below), whose sum is σ = 474108292. Its totient is φ = 406378512.

The previous prime is 440243383. The next prime is 440243413. The reversal of 440243401 is 104342044.

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 21631801 + 418611600 = 4651^2 + 20460^2 .

It is a cyclic number.

It is not a de Polignac number, because 440243401 - 2⁷ = 440243273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440243201) 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, 16932426 + ... + 16932451.

It is an arithmetic number, because the mean of its divisors is an integer number (118527073).

Almost surely, 2^440243401 is an apocalyptic number.

It is an amenable number.

440243401 is a deficient number, since it is larger than the sum of its proper divisors (33864891).

440243401 is a wasteful number, since it uses less digits than its factorization.

440243401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33864890.

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

The square root of 440243401 is about 20981.9780049451. The cubic root of 440243401 is about 760.7307151524.

Adding to 440243401 its reverse (104342044), we get a palindrome (544585445).

The spelling of 440243401 in words is "four hundred forty million, two hundred forty-three thousand, four hundred one".