440134312 has 8 divisors (see below), whose sum is σ = 825251850. Its totient is φ = 220067152.

The previous prime is 440134291. The next prime is 440134327. The reversal of 440134312 is 213431044.

It can be written as a sum of positive squares in only one way, i.e., 224220676 + 215913636 = 14974^2 + 14694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×440134312³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27508387 + ... + 27508402.

Almost surely, 2^440134312 is an apocalyptic number.

It is an amenable number.

440134312 is a deficient number, since it is larger than the sum of its proper divisors (385117538).

440134312 is a wasteful number, since it uses less digits than its factorization.

440134312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55016795 (or 55016791 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 440134312 is about 20979.3782558016. The cubic root of 440134312 is about 760.6678755139.

Adding to 440134312 its reverse (213431044), we get a palindrome (653565356).

The spelling of 440134312 in words is "four hundred forty million, one hundred thirty-four thousand, three hundred twelve".