440342011 has 4 divisors (see below), whose sum is σ = 454546624. Its totient is φ = 426137400.

The previous prime is 440341997. The next prime is 440342027. The reversal of 440342011 is 110243044.

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 440342011 - 2⁷ = 440341883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440342011.

It is not an unprimeable number, because it can be changed into a prime (440342611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7102260 + ... + 7102321.

It is an arithmetic number, because the mean of its divisors is an integer number (113636656).

Almost surely, 2^440342011 is an apocalyptic number.

440342011 is a deficient number, since it is larger than the sum of its proper divisors (14204613).

440342011 is a wasteful number, since it uses less digits than its factorization.

440342011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14204612.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 440342011 is about 20984.3277471545. The cubic root of 440342011 is about 760.7875095343.

Adding to 440342011 its reverse (110243044), we get a palindrome (550585055).

The spelling of 440342011 in words is "four hundred forty million, three hundred forty-two thousand, eleven".