440126340 has 24 divisors (see below), whose sum is σ = 1232353920. Its totient is φ = 117367008.

The previous prime is 440126339. The next prime is 440126347. The reversal of 440126340 is 43621044.

It is a super-2 number, since 2×440126340² = 387422390323591200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440126340.

It is not an unprimeable number, because it can be changed into a prime (440126347) 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, 3667660 + ... + 3667779.

It is an arithmetic number, because the mean of its divisors is an integer number (51348080).

Almost surely, 2^440126340 is an apocalyptic number.

It is an amenable number.

440126340 is an abundant number, since it is smaller than the sum of its proper divisors (792227580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440126340 is a wasteful number, since it uses less digits than its factorization.

440126340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335451 (or 7335449 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 440126340 is about 20979.1882588436. The cubic root of 440126340 is about 760.6632829151.

Adding to 440126340 its reverse (43621044), we get a palindrome (483747384).

The spelling of 440126340 in words is "four hundred forty million, one hundred twenty-six thousand, three hundred forty".