440478053 has 2 divisors, whose sum is σ = 440478054. Its totient is φ = 440478052.

The previous prime is 440478043. The next prime is 440478089. The reversal of 440478053 is 350874044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373532929 + 66945124 = 19327^2 + 8182^2 .

It is a cyclic number.

It is not a de Polignac number, because 440478053 - 2⁸ = 440477797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440478043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220239026 + 220239027.

It is an arithmetic number, because the mean of its divisors is an integer number (220239027).

Almost surely, 2^440478053 is an apocalyptic number.

It is an amenable number.

440478053 is a deficient number, since it is larger than the sum of its proper divisors (1).

440478053 is an equidigital number, since it uses as much as digits as its factorization.

440478053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 440478053 is about 20987.5690112028. The cubic root of 440478053 is about 760.8658489426.

The spelling of 440478053 in words is "four hundred forty million, four hundred seventy-eight thousand, fifty-three".