440300423011 has 4 divisors (see below), whose sum is σ = 466200447912. Its totient is φ = 414400398112.

The previous prime is 440300423009. The next prime is 440300423023. The reversal of 440300423011 is 110324003044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440300423011 - 2¹ = 440300423009 is a prime.

It is a super-2 number, since 2×440300423011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440300423041) 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, 12950012425 + ... + 12950012458.

It is an arithmetic number, because the mean of its divisors is an integer number (116550111978).

Almost surely, 2^440300423011 is an apocalyptic number.

440300423011 is a deficient number, since it is larger than the sum of its proper divisors (25900024901).

440300423011 is a wasteful number, since it uses less digits than its factorization.

440300423011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900024900.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 440300423011 its reverse (110324003044), we get a palindrome (550624426055).

The spelling of 440300423011 in words is "four hundred forty billion, three hundred million, four hundred twenty-three thousand, eleven".