440233421011 has 4 divisors (see below), whose sum is σ = 442538308224. Its totient is φ = 437928533800.

The previous prime is 440233421003. The next prime is 440233421027. The reversal of 440233421011 is 110124332044.

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 440233421011 - 2³ = 440233421003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440233421071) 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, 1152443320 + ... + 1152443701.

It is an arithmetic number, because the mean of its divisors is an integer number (110634577056).

Almost surely, 2^440233421011 is an apocalyptic number.

440233421011 is a deficient number, since it is larger than the sum of its proper divisors (2304887213).

440233421011 is a wasteful number, since it uses less digits than its factorization.

440233421011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304887212.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 440233421011 its reverse (110124332044), we get a palindrome (550357753055).

The spelling of 440233421011 in words is "four hundred forty billion, two hundred thirty-three million, four hundred twenty-one thousand, eleven".