238165844440860 has 288 divisors, whose sum is σ = 861928594974720. Its totient is φ = 52047498134016.

The previous prime is 238165844440757. The next prime is 238165844440879. The reversal of 238165844440860 is 68044448561832.

It is a happy number.

238165844440860 is a `hidden beast` number, since 2 + 3 + 8 + 1 + 6 + 584 + 4 + 4 + 40 + 8 + 6 + 0 = 666.

238165844440860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62275921 + ... + 65989559.

It is an arithmetic number, because the mean of its divisors is an integer number (2992807621440).

Almost surely, 2^{238165844440860} is an apocalyptic number.

238165844440860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238165844440860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430964297487360).

238165844440860 is an abundant number, since it is smaller than the sum of its proper divisors (623762750533860).

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

238165844440860 is a wasteful number, since it uses less digits than its factorization.

238165844440860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715897 (or 3715892 counting only the distinct ones).

The product of its (nonzero) digits is 141557760, while the sum is 63.

The spelling of 238165844440860 in words is "two hundred thirty-eight trillion, one hundred sixty-five billion, eight hundred forty-four million, four hundred forty thousand, eight hundred sixty".