838268651376 has 480 divisors, whose sum is σ = 2768952775680. Its totient is φ = 243376358400.

The previous prime is 838268651351. The next prime is 838268651377. The reversal of 838268651376 is 673156862838.

It is a happy number.

838268651376 is a `hidden beast` number, since 8 + 38 + 2 + 6 + 86 + 513 + 7 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838268651377) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 260249446 + ... + 260252666.

It is an arithmetic number, because the mean of its divisors is an integer number (5768651616).

Almost surely, 2^838268651376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838268651376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384476387840).

838268651376 is an abundant number, since it is smaller than the sum of its proper divisors (1930684124304).

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

838268651376 is a wasteful number, since it uses less digits than its factorization.

838268651376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547 (or 3529 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 838268651376 in words is "eight hundred thirty-eight billion, two hundred sixty-eight million, six hundred fifty-one thousand, three hundred seventy-six".