440411402322131 has 4 divisors (see below), whose sum is σ = 440419721913432. Its totient is φ = 440403082730832.

The previous prime is 440411402322113. The next prime is 440411402322193. The reversal of 440411402322131 is 131223204114044.

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-440411402322131 is a prime.

It is a super-2 number, since 2×440411402322131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440411432322131) 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, 4159716245 + ... + 4159822118.

It is an arithmetic number, because the mean of its divisors is an integer number (110104930478358).

Almost surely, 2^{440411402322131} is an apocalyptic number.

440411402322131 is a deficient number, since it is larger than the sum of its proper divisors (8319591301).

440411402322131 is an equidigital number, since it uses as much as digits as its factorization.

440411402322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319591300.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 440411402322131 its reverse (131223204114044), we get a palindrome (571634606436175).

The spelling of 440411402322131 in words is "four hundred forty trillion, four hundred eleven billion, four hundred two million, three hundred twenty-two thousand, one hundred thirty-one".