238097881400 has 192 divisors, whose sum is σ = 593474515200. Its totient is φ = 88615296000.

The previous prime is 238097881369. The next prime is 238097881403. The reversal of 238097881400 is 4188790832.

It is a super-2 number, since 2×238097881400² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238097881403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71477735 + ... + 71481065.

It is an arithmetic number, because the mean of its divisors is an integer number (3091013100).

Almost surely, 2^238097881400 is an apocalyptic number.

238097881400 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 238097881400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296737257600).

238097881400 is an abundant number, since it is smaller than the sum of its proper divisors (355376633800).

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

238097881400 is a wasteful number, since it uses less digits than its factorization.

238097881400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 238097881400 in words is "two hundred thirty-eight billion, ninety-seven million, eight hundred eighty-one thousand, four hundred".