442251123733220 has 48 divisors (see below), whose sum is σ = 936221358858240. Its totient is φ = 175473560352384.

The previous prime is 442251123733217. The next prime is 442251123733231. The reversal of 442251123733220 is 22337321152244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3724535 + ... + 29972894.

It is an arithmetic number, because the mean of its divisors is an integer number (19504611642880).

Almost surely, 2^{442251123733220} is an apocalyptic number.

It is an amenable number.

442251123733220 is an abundant number, since it is smaller than the sum of its proper divisors (493970235125020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442251123733220 is a wasteful number, since it uses less digits than its factorization.

442251123733220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33702732 (or 33702730 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

Adding to 442251123733220 its reverse (22337321152244), we get a palindrome (464588444885464).

The spelling of 442251123733220 in words is "four hundred forty-two trillion, two hundred fifty-one billion, one hundred twenty-three million, seven hundred thirty-three thousand, two hundred twenty".