268063038408 has 256 divisors, whose sum is σ = 814418115840. Its totient is φ = 72570470400.

The previous prime is 268063038401. The next prime is 268063038409. The reversal of 268063038408 is 804830360862.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (268063038401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6788610 + ... + 6827982.

It is an arithmetic number, because the mean of its divisors is an integer number (3181320765).

Almost surely, 2^268063038408 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 268063038408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407209057920).

268063038408 is an abundant number, since it is smaller than the sum of its proper divisors (546355077432).

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

268063038408 is a wasteful number, since it uses less digits than its factorization.

268063038408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39488 (or 39484 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 268063038408 in words is "two hundred sixty-eight billion, sixty-three million, thirty-eight thousand, four hundred eight".