440342053 has 2 divisors, whose sum is σ = 440342054. Its totient is φ = 440342052.

The previous prime is 440342029. The next prime is 440342087. The reversal of 440342053 is 350243044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436893604 + 3448449 = 20902^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 440342053 - 2²⁵ = 406787621 is a prime.

It is a super-2 number, since 2×440342053² = 387802247280509618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440343053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220171026 + 220171027.

It is an arithmetic number, because the mean of its divisors is an integer number (220171027).

Almost surely, 2^440342053 is an apocalyptic number.

It is an amenable number.

440342053 is a deficient number, since it is larger than the sum of its proper divisors (1).

440342053 is an equidigital number, since it uses as much as digits as its factorization.

440342053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 440342053 is about 20984.3287479014. The cubic root of 440342053 is about 760.7875337224.

Adding to 440342053 its reverse (350243044), we get a palindrome (790585097).

Subtracting from 440342053 its reverse (350243044), we obtain a palindrome (90099009).

The spelling of 440342053 in words is "four hundred forty million, three hundred forty-two thousand, fifty-three".