427268316138 has 16 divisors (see below), whose sum is σ = 854543818080. Its totient is φ = 142421574416.

The previous prime is 427268316089. The next prime is 427268316143. The reversal of 427268316138 is 831613862724.

It is a happy number.

It is a super-2 number, since 2×427268316138² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 764233 + ... + 1199411.

It is an arithmetic number, because the mean of its divisors is an integer number (53408988630).

Almost surely, 2^427268316138 is an apocalyptic number.

427268316138 is an abundant number, since it is smaller than the sum of its proper divisors (427275501942).

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

427268316138 is a wasteful number, since it uses less digits than its factorization.

427268316138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598821.

The product of its digits is 2322432, while the sum is 51.

The spelling of 427268316138 in words is "four hundred twenty-seven billion, two hundred sixty-eight million, three hundred sixteen thousand, one hundred thirty-eight".