238763931000 has 256 divisors, whose sum is σ = 880723584000. Its totient is φ = 52692595200.

The previous prime is 238763930969. The next prime is 238763931011. The reversal of 238763931000 is 139367832.

It is a happy number.

It is a super-2 number, since 2×238763931000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 412971 + ... + 805029.

It is an arithmetic number, because the mean of its divisors is an integer number (3440326500).

Almost surely, 2^238763931000 is an apocalyptic number.

238763931000 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 238763931000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440361792000).

238763931000 is an abundant number, since it is smaller than the sum of its proper divisors (641959653000).

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

238763931000 is a wasteful number, since it uses less digits than its factorization.

238763931000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392119 (or 392105 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 238763931000 in words is "two hundred thirty-eight billion, seven hundred sixty-three million, nine hundred thirty-one thousand".