238194922050 has 90 divisors (see below), whose sum is σ = 661915312443. Its totient is φ = 63510363360.

The previous prime is 238194922027. The next prime is 238194922061. The reversal of 238194922050 is 50229491832.

238194922050 is a `hidden beast` number, since 2 + 381 + 9 + 49 + 220 + 5 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 206922182769 + 31272739281 = 454887^2 + 176841^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=345105.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 238194921987 and 238194922005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 31055616 + ... + 31063284.

Almost surely, 2^238194922050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238194922050

238194922050 is an abundant number, since it is smaller than the sum of its proper divisors (423720390393).

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

238194922050 is an frugal number, since it uses more digits than its factorization.

238194922050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15362 (or 7679 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 238194922050 in words is "two hundred thirty-eight billion, one hundred ninety-four million, nine hundred twenty-two thousand, fifty".