440423134432132 has 24 divisors (see below), whose sum is σ = 776814145393664. Its totient is φ = 218476257344352.

The previous prime is 440423134432129. The next prime is 440423134432133. The reversal of 440423134432132 is 231234431324044.

It is a happy number.

It is a super-2 number, since 2×440423134432132² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440423134432133) 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, 81542218 + ... + 86775454.

Almost surely, 2^{440423134432132} is an apocalyptic number.

It is an amenable number.

440423134432132 is a deficient number, since it is larger than the sum of its proper divisors (336391010961532).

440423134432132 is a wasteful number, since it uses less digits than its factorization.

440423134432132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5399035 (or 5399033 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 440423134432132 its reverse (231234431324044), we get a palindrome (671657565756176).

The spelling of 440423134432132 in words is "four hundred forty trillion, four hundred twenty-three billion, one hundred thirty-four million, four hundred thirty-two thousand, one hundred thirty-two".