442244053350425 has 6 divisors (see below), whose sum is σ = 548382626154558. Its totient is φ = 353795242680320.

The previous prime is 442244053350397. The next prime is 442244053350433. The reversal of 442244053350425 is 524053350442244.

It can be written as a sum of positive squares in 3 ways, for example, as 69959222690569 + 372284830659856 = 8364163^2 + 19294684^2 .

It is not a de Polignac number, because 442244053350425 - 2¹⁸ = 442244053088281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442244053350425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8844881066984 + ... + 8844881067033.

It is an arithmetic number, because the mean of its divisors is an integer number (91397104359093).

Almost surely, 2^{442244053350425} is an apocalyptic number.

It is an amenable number.

442244053350425 is a deficient number, since it is larger than the sum of its proper divisors (106138572804133).

442244053350425 is a wasteful number, since it uses less digits than its factorization.

442244053350425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17689762134027 (or 17689762134022 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 47.

The spelling of 442244053350425 in words is "four hundred forty-two trillion, two hundred forty-four billion, fifty-three million, three hundred fifty thousand, four hundred twenty-five".