440440133402 has 8 divisors (see below), whose sum is σ = 661039677012. Its totient is φ = 220093574400.

The previous prime is 440440133401. The next prime is 440440133453. The reversal of 440440133402 is 204331044044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 377869613521 + 62570519881 = 614711^2 + 250141^2 .

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

It is a super-2 number, since 2×440440133402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440440133401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63241799 + ... + 63248762.

Almost surely, 2^440440133402 is an apocalyptic number.

440440133402 is a deficient number, since it is larger than the sum of its proper divisors (220599543610).

440440133402 is a wasteful number, since it uses less digits than its factorization.

440440133402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126492304.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 440440133402 its reverse (204331044044), we get a palindrome (644771177446).

The spelling of 440440133402 in words is "four hundred forty billion, four hundred forty million, one hundred thirty-three thousand, four hundred two".