440534234 has 8 divisors (see below), whose sum is σ = 755201568. Its totient is φ = 188800380.

The previous prime is 440534221. The next prime is 440534239. The reversal of 440534234 is 432435044.

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

It is a super-2 number, since 2×440534234² = 388140822651933512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440534197 and 440534206.

It is not an unprimeable number, because it can be changed into a prime (440534239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15733352 + ... + 15733379.

It is an arithmetic number, because the mean of its divisors is an integer number (94400196).

Almost surely, 2^440534234 is an apocalyptic number.

440534234 is a deficient number, since it is larger than the sum of its proper divisors (314667334).

440534234 is a wasteful number, since it uses less digits than its factorization.

440534234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31466740.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 440534234 is about 20988.9074036740. The cubic root of 440534234 is about 760.8981959095.

Adding to 440534234 its reverse (432435044), we get a palindrome (872969278).

The spelling of 440534234 in words is "four hundred forty million, five hundred thirty-four thousand, two hundred thirty-four".