440202053 has 2 divisors, whose sum is σ = 440202054. Its totient is φ = 440202052.

The previous prime is 440202041. The next prime is 440202101. The reversal of 440202053 is 350202044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435264769 + 4937284 = 20863^2 + 2222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440202053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440202253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220101026 + 220101027.

It is an arithmetic number, because the mean of its divisors is an integer number (220101027).

Almost surely, 2^440202053 is an apocalyptic number.

It is an amenable number.

440202053 is a deficient number, since it is larger than the sum of its proper divisors (1).

440202053 is an equidigital number, since it uses as much as digits as its factorization.

440202053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 440202053 is about 20980.9926600245. The cubic root of 440202053 is about 760.7068982681.

Adding to 440202053 its reverse (350202044), we get a palindrome (790404097).

Subtracting from 440202053 its reverse (350202044), we obtain a palindrome (90000009).

The spelling of 440202053 in words is "four hundred forty million, two hundred two thousand, fifty-three".