440024134 has 16 divisors (see below), whose sum is σ = 744869520. Its totient is φ = 193113760.

The previous prime is 440024131. The next prime is 440024149. The reversal of 440024134 is 431420044.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440024131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344209 + ... + 345484.

It is an arithmetic number, because the mean of its divisors is an integer number (46554345).

Almost surely, 2^440024134 is an apocalyptic number.

440024134 is a deficient number, since it is larger than the sum of its proper divisors (304845386).

440024134 is a wasteful number, since it uses less digits than its factorization.

440024134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689735.

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

The square root of 440024134 is about 20976.7522271681. The cubic root of 440024134 is about 760.6043980275.

Adding to 440024134 its reverse (431420044), we get a palindrome (871444178).

The spelling of 440024134 in words is "four hundred forty million, twenty-four thousand, one hundred thirty-four".