440104033243421 has 4 divisors (see below), whose sum is σ = 440105444113632. Its totient is φ = 440102622373212.

The previous prime is 440104033243417. The next prime is 440104033243429. The reversal of 440104033243421 is 124342330401044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440104033243421 - 2² = 440104033243417 is a prime.

It is a super-3 number, since 3×440104033243421³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440104033243429) 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, 704967095 + ... + 705591108.

It is an arithmetic number, because the mean of its divisors is an integer number (110026361028408).

Almost surely, 2^{440104033243421} is an apocalyptic number.

It is an amenable number.

440104033243421 is a deficient number, since it is larger than the sum of its proper divisors (1410870211).

440104033243421 is a wasteful number, since it uses less digits than its factorization.

440104033243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410870210.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 440104033243421 its reverse (124342330401044), we get a palindrome (564446363644465).

The spelling of 440104033243421 in words is "four hundred forty trillion, one hundred four billion, thirty-three million, two hundred forty-three thousand, four hundred twenty-one".