440120624101 has 4 divisors (see below), whose sum is σ = 440313070912. Its totient is φ = 439928177292.

The previous prime is 440120624077. The next prime is 440120624117. The reversal of 440120624101 is 101426021044.

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 440120624101 - 2¹⁹ = 440120099813 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 (440120624191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96219975 + ... + 96224548.

It is an arithmetic number, because the mean of its divisors is an integer number (110078267728).

Almost surely, 2^440120624101 is an apocalyptic number.

It is an amenable number.

440120624101 is a deficient number, since it is larger than the sum of its proper divisors (192446811).

440120624101 is a wasteful number, since it uses less digits than its factorization.

440120624101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192446810.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 440120624101 its reverse (101426021044), we get a palindrome (541546645145).

The spelling of 440120624101 in words is "four hundred forty billion, one hundred twenty million, six hundred twenty-four thousand, one hundred one".