442114414421 has 8 divisors (see below), whose sum is σ = 443779867800. Its totient is φ = 440449123840.

The previous prime is 442114414411. The next prime is 442114414453. The reversal of 442114414421 is 124414411244.

It can be written as a sum of positive squares in 4 ways, for example, as 1332615025 + 440781799396 = 36505^2 + 663914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442114414421 is a prime.

It is a super-3 number, since 3×442114414421³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442114414411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10513325 + ... + 10555293.

It is an arithmetic number, because the mean of its divisors is an integer number (55472483475).

Almost surely, 2^442114414421 is an apocalyptic number.

It is an amenable number.

442114414421 is a deficient number, since it is larger than the sum of its proper divisors (1665453379).

442114414421 is a wasteful number, since it uses less digits than its factorization.

442114414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81399.

The product of its digits is 16384, while the sum is 32.

Adding to 442114414421 its reverse (124414411244), we get a palindrome (566528825665).

The spelling of 442114414421 in words is "four hundred forty-two billion, one hundred fourteen million, four hundred fourteen thousand, four hundred twenty-one".