440877656057 has 2 divisors, whose sum is σ = 440877656058. Its totient is φ = 440877656056.

The previous prime is 440877656027. The next prime is 440877656129. The reversal of 440877656057 is 750656778044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425911559161 + 14966096896 = 652619^2 + 122336^2 .

It is a cyclic number.

It is not a de Polignac number, because 440877656057 - 2⁶ = 440877655993 is a prime.

It is a super-2 number, since 2×440877656057² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440877655987 and 440877656005.

It is not a weakly prime, because it can be changed into another prime (440877656027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220438828028 + 220438828029.

It is an arithmetic number, because the mean of its divisors is an integer number (220438828029).

Almost surely, 2^440877656057 is an apocalyptic number.

It is an amenable number.

440877656057 is a deficient number, since it is larger than the sum of its proper divisors (1).

440877656057 is an equidigital number, since it uses as much as digits as its factorization.

440877656057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39513600, while the sum is 59.

The spelling of 440877656057 in words is "four hundred forty billion, eight hundred seventy-seven million, six hundred fifty-six thousand, fifty-seven".