440023231344 has 20 divisors (see below), whose sum is σ = 1136726681096. Its totient is φ = 146674410432.

The previous prime is 440023231247. The next prime is 440023231391. The reversal of 440023231344 is 443132320044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4583575279 + ... + 4583575374.

Almost surely, 2^440023231344 is an apocalyptic number.

It is an amenable number.

440023231344 is an abundant number, since it is smaller than the sum of its proper divisors (696703449752).

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

440023231344 is a wasteful number, since it uses less digits than its factorization.

440023231344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167150664 (or 9167150658 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 440023231344 its reverse (443132320044), we get a palindrome (883155551388).

The spelling of 440023231344 in words is "four hundred forty billion, twenty-three million, two hundred thirty-one thousand, three hundred forty-four".