442230440461 has 2 divisors, whose sum is σ = 442230440462. Its totient is φ = 442230440460.

The previous prime is 442230440437. The next prime is 442230440467. The reversal of 442230440461 is 164044032244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397246575625 + 44983864836 = 630275^2 + 212094^2 .

It is a cyclic number.

It is not a de Polignac number, because 442230440461 - 2²¹ = 442228343309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442230440467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221115220230 + 221115220231.

It is an arithmetic number, because the mean of its divisors is an integer number (221115220231).

Almost surely, 2^442230440461 is an apocalyptic number.

It is an amenable number.

442230440461 is a deficient number, since it is larger than the sum of its proper divisors (1).

442230440461 is an equidigital number, since it uses as much as digits as its factorization.

442230440461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 442230440461 in words is "four hundred forty-two billion, two hundred thirty million, four hundred forty thousand, four hundred sixty-one".