442253325343025 has 36 divisors (see below), whose sum is σ = 639735019558092. Its totient is φ = 302400330946560.

The previous prime is 442253325343003. The next prime is 442253325343129. The reversal of 442253325343025 is 520343523352244.

It can be written as a sum of positive squares in 6 ways, for example, as 3065146571536 + 439188178771489 = 1750756^2 + 20956817^2 .

It is a de Polignac number, because none of the positive numbers 2^k-442253325343025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 510931772 + ... + 511796621.

It is an arithmetic number, because the mean of its divisors is an integer number (17770417209947).

Almost surely, 2^{442253325343025} is an apocalyptic number.

It is an amenable number.

442253325343025 is a deficient number, since it is larger than the sum of its proper divisors (197481694215067).

442253325343025 is a wasteful number, since it uses less digits than its factorization.

442253325343025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022728770 (or 1022728758 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 47.

Adding to 442253325343025 its reverse (520343523352244), we get a palindrome (962596848695269).

The spelling of 442253325343025 in words is "four hundred forty-two trillion, two hundred fifty-three billion, three hundred twenty-five million, three hundred forty-three thousand, twenty-five".