238503885312 has 640 divisors, whose sum is σ = 846254407680. Its totient is φ = 57849200640.

The previous prime is 238503885283. The next prime is 238503885353. The reversal of 238503885312 is 213588305832.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 116969989 + ... + 116972027.

It is an arithmetic number, because the mean of its divisors is an integer number (1322272512).

Almost surely, 2^238503885312 is an apocalyptic number.

238503885312 is a gapful number since it is divisible by the number (22) 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 238503885312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423127203840).

238503885312 is an abundant number, since it is smaller than the sum of its proper divisors (607750522368).

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

238503885312 is a wasteful number, since it uses less digits than its factorization.

238503885312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 238503885312 in words is "two hundred thirty-eight billion, five hundred three million, eight hundred eighty-five thousand, three hundred twelve".