440243134 has 8 divisors (see below), whose sum is σ = 664182360. Its totient is φ = 218849016.

The previous prime is 440243107. The next prime is 440243137. The reversal of 440243134 is 431342044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 440243099 and 440243108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440243137) 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, 635844 + ... + 636535.

It is an arithmetic number, because the mean of its divisors is an integer number (83022795).

Almost surely, 2^440243134 is an apocalyptic number.

440243134 is a deficient number, since it is larger than the sum of its proper divisors (223939226).

440243134 is a wasteful number, since it uses less digits than its factorization.

440243134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272554.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 440243134 is about 20981.9716423410. The cubic root of 440243134 is about 760.7305613624.

Adding to 440243134 its reverse (431342044), we get a palindrome (871585178).

The spelling of 440243134 in words is "four hundred forty million, two hundred forty-three thousand, one hundred thirty-four".