440032323013 has 8 divisors (see below), whose sum is σ = 459176665536. Its totient is φ = 420889022400.

The previous prime is 440032322969. The next prime is 440032323023. The reversal of 440032323013 is 310323230044.

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

It is a cyclic number.

It is not a de Polignac number, because 440032323013 - 2²⁵ = 439998768581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440032323023) 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, 673918 + ... + 1155088.

It is an arithmetic number, because the mean of its divisors is an integer number (57397083192).

Almost surely, 2^440032323013 is an apocalyptic number.

It is an amenable number.

440032323013 is a deficient number, since it is larger than the sum of its proper divisors (19144342523).

440032323013 is a wasteful number, since it uses less digits than its factorization.

440032323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520955.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 440032323013 its reverse (310323230044), we get a palindrome (750355553057).

The spelling of 440032323013 in words is "four hundred forty billion, thirty-two million, three hundred twenty-three thousand, thirteen".