440031440441 has 2 divisors, whose sum is σ = 440031440442. Its totient is φ = 440031440440.

The previous prime is 440031440389. The next prime is 440031440447. The reversal of 440031440441 is 144044130044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246412960000 + 193618480441 = 496400^2 + 440021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440031440441 is a prime.

It is not a weakly prime, because it can be changed into another prime (440031440447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220015720220 + 220015720221.

It is an arithmetic number, because the mean of its divisors is an integer number (220015720221).

Almost surely, 2^440031440441 is an apocalyptic number.

It is an amenable number.

440031440441 is a deficient number, since it is larger than the sum of its proper divisors (1).

440031440441 is an equidigital number, since it uses as much as digits as its factorization.

440031440441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 440031440441 its reverse (144044130044), we get a palindrome (584075570485).

The spelling of 440031440441 in words is "four hundred forty billion, thirty-one million, four hundred forty thousand, four hundred forty-one".