238166026820250 has 256 divisors, whose sum is σ = 608382015381504. Its totient is φ = 62034741600000.

The previous prime is 238166026820219. The next prime is 238166026820339. The reversal of 238166026820250 is 52028620661832.

238166026820250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 238166026820193 and 238166026820202.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27607046437 + ... + 27607055063.

It is an arithmetic number, because the mean of its divisors is an integer number (2376492247584).

Almost surely, 2^{238166026820250} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238166026820250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304191007690752).

238166026820250 is an abundant number, since it is smaller than the sum of its proper divisors (370215988561254).

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

238166026820250 is a wasteful number, since it uses less digits than its factorization.

238166026820250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11718 (or 11708 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 238166026820250 in words is "two hundred thirty-eight trillion, one hundred sixty-six billion, twenty-six million, eight hundred twenty thousand, two hundred fifty".