440142011 has 16 divisors (see below), whose sum is σ = 476128800. Its totient is φ = 405504000.

The previous prime is 440141983. The next prime is 440142041. The reversal of 440142011 is 110241044.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440142011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440142041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311675 + ... + 313083.

It is an arithmetic number, because the mean of its divisors is an integer number (29758050).

Almost surely, 2^440142011 is an apocalyptic number.

440142011 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

440142011 is a deficient number, since it is larger than the sum of its proper divisors (35986789).

440142011 is a wasteful number, since it uses less digits than its factorization.

440142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 440142011 is about 20979.5617447076. The cubic root of 440142011 is about 760.6723107872.

Adding to 440142011 its reverse (110241044), we get a palindrome (550383055).

The spelling of 440142011 in words is "four hundred forty million, one hundred forty-two thousand, eleven".