427836550338 has 54 divisors (see below), whose sum is σ = 934073643321. Its totient is φ = 141528978000.

The previous prime is 427836550321. The next prime is 427836550343. The reversal of 427836550338 is 833055638724.

It is a happy number.

427836550338 is a `hidden beast` number, since 4 + 2 + 7 + 83 + 6 + 550 + 3 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 424930585689 + 2905964649 = 651867^2 + 53907^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=462513.

It is a super-2 number, since 2×427836550338² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 419036268 + ... + 419037288.

Almost surely, 2^427836550338 is an apocalyptic number.

427836550338 is an abundant number, since it is smaller than the sum of its proper divisors (506237092983).

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

427836550338 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (427836550339) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (2352).

427836550338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 427836550338 in words is "four hundred twenty-seven billion, eight hundred thirty-six million, five hundred fifty thousand, three hundred thirty-eight".