238155120 has 320 divisors, whose sum is σ = 988032000. Its totient is φ = 51508224.

The previous prime is 238155119. The next prime is 238155149. The reversal of 238155120 is 21551832.

It is a happy number.

It is a super-2 number, since 2×238155120² = 113435722364428800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 286866 + ... + 287694.

It is an arithmetic number, because the mean of its divisors is an integer number (3087600).

Almost surely, 2^238155120 is an apocalyptic number.

238155120 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 238155120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494016000).

238155120 is an abundant number, since it is smaller than the sum of its proper divisors (749876880).

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

238155120 is a wasteful number, since it uses less digits than its factorization.

238155120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 238155120 is about 15432.2752697067. The cubic root of 238155120 is about 619.8500504522.

The spelling of 238155120 in words is "two hundred thirty-eight million, one hundred fifty-five thousand, one hundred twenty".