38356854822858 has 128 divisors (see below), whose sum is σ = 95122983352320. Its totient is φ = 10137243674880.

The previous prime is 38356854822817. The next prime is 38356854822859. The reversal of 38356854822858 is 85822845865383.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38356854822858.

It is not an unprimeable number, because it can be changed into a prime (38356854822859) 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, 2926635 + ... + 9234657.

It is an arithmetic number, because the mean of its divisors is an integer number (743148307440).

Almost surely, 2^{38356854822858} is an apocalyptic number.

38356854822858 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38356854822858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47561491676160).

38356854822858 is an abundant number, since it is smaller than the sum of its proper divisors (56766128529462).

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

38356854822858 is a wasteful number, since it uses less digits than its factorization.

38356854822858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308444.

The product of its digits is 3538944000, while the sum is 75.

The spelling of 38356854822858 in words is "thirty-eight trillion, three hundred fifty-six billion, eight hundred fifty-four million, eight hundred twenty-two thousand, eight hundred fifty-eight".