442440132400477 has 2 divisors, whose sum is σ = 442440132400478. Its totient is φ = 442440132400476.

The previous prime is 442440132400411. The next prime is 442440132400549. The reversal of 442440132400477 is 774004231044244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283407326106436 + 159032806294041 = 16834706^2 + 12610821^2 .

It is a cyclic number.

It is not a de Polignac number, because 442440132400477 - 2¹⁹ = 442440131876189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442440132409477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221220066200238 + 221220066200239.

It is an arithmetic number, because the mean of its divisors is an integer number (221220066200239).

Almost surely, 2^{442440132400477} is an apocalyptic number.

It is an amenable number.

442440132400477 is a deficient number, since it is larger than the sum of its proper divisors (1).

442440132400477 is an equidigital number, since it uses as much as digits as its factorization.

442440132400477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2408448, while the sum is 46.

The spelling of 442440132400477 in words is "four hundred forty-two trillion, four hundred forty billion, one hundred thirty-two million, four hundred thousand, four hundred seventy-seven".