440444533435457 has 2 divisors, whose sum is σ = 440444533435458. Its totient is φ = 440444533435456.

The previous prime is 440444533435429. The next prime is 440444533435499. The reversal of 440444533435457 is 754534335444044.

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., 399355100144641 + 41089433290816 = 19983871^2 + 6410104^2 .

It is a cyclic number.

It is not a de Polignac number, because 440444533435457 - 2¹⁶ = 440444533369921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440444533435396 and 440444533435405.

It is not a weakly prime, because it can be changed into another prime (440444533434457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220222266717728 + 220222266717729.

It is an arithmetic number, because the mean of its divisors is an integer number (220222266717729).

Almost surely, 2^{440444533435457} is an apocalyptic number.

It is an amenable number.

440444533435457 is a deficient number, since it is larger than the sum of its proper divisors (1).

440444533435457 is an equidigital number, since it uses as much as digits as its factorization.

440444533435457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072000, while the sum is 59.

The spelling of 440444533435457 in words is "four hundred forty trillion, four hundred forty-four billion, five hundred thirty-three million, four hundred thirty-five thousand, four hundred fifty-seven".