440018053 has 2 divisors, whose sum is σ = 440018054. Its totient is φ = 440018052.

The previous prime is 440018003. The next prime is 440018099. The reversal of 440018053 is 350810044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431268289 + 8749764 = 20767^2 + 2958^2 .

It is a cyclic number.

It is not a de Polignac number, because 440018053 - 2⁹ = 440017541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440018003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220009026 + 220009027.

It is an arithmetic number, because the mean of its divisors is an integer number (220009027).

Almost surely, 2^440018053 is an apocalyptic number.

It is an amenable number.

440018053 is a deficient number, since it is larger than the sum of its proper divisors (1).

440018053 is an equidigital number, since it uses as much as digits as its factorization.

440018053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 440018053 is about 20976.6072804922. The cubic root of 440018053 is about 760.6008942374.

Adding to 440018053 its reverse (350810044), we get a palindrome (790828097).

The spelling of 440018053 in words is "four hundred forty million, eighteen thousand, fifty-three".