440627797 has 2 divisors, whose sum is σ = 440627798. Its totient is φ = 440627796.

The previous prime is 440627731. The next prime is 440627821. The reversal of 440627797 is 797726044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301057201 + 139570596 = 17351^2 + 11814^2 .

It is a cyclic number.

It is not a de Polignac number, because 440627797 - 2⁷ = 440627669 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 (440657797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220313898 + 220313899.

It is an arithmetic number, because the mean of its divisors is an integer number (220313899).

Almost surely, 2^440627797 is an apocalyptic number.

It is an amenable number.

440627797 is a deficient number, since it is larger than the sum of its proper divisors (1).

440627797 is an equidigital number, since it uses as much as digits as its factorization.

440627797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 440627797 is about 20991.1361531481. The cubic root of 440627797 is about 760.9520599628.

The spelling of 440627797 in words is "four hundred forty million, six hundred twenty-seven thousand, seven hundred ninety-seven".