440242400411 has 4 divisors (see below), whose sum is σ = 480264436824. Its totient is φ = 400220364000.

The previous prime is 440242400387. The next prime is 440242400461. The reversal of 440242400411 is 114004242044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440242400411 is a prime.

It is a super-2 number, since 2×440242400411² (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 (440242400461) 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, 20011018190 + ... + 20011018211.

It is an arithmetic number, because the mean of its divisors is an integer number (120066109206).

Almost surely, 2^440242400411 is an apocalyptic number.

440242400411 is a deficient number, since it is larger than the sum of its proper divisors (40022036413).

440242400411 is a wasteful number, since it uses less digits than its factorization.

440242400411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40022036412.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 440242400411 its reverse (114004242044), we get a palindrome (554246642455).

The spelling of 440242400411 in words is "four hundred forty billion, two hundred forty-two million, four hundred thousand, four hundred eleven".