238568493240 has 960 divisors, whose sum is σ = 1026886053600. Its totient is φ = 49528765440.

The previous prime is 238568493239. The next prime is 238568493281. The reversal of 238568493240 is 42394865832.

238568493240 is a `hidden beast` number, since 2 + 3 + 8 + 568 + 4 + 9 + 32 + 40 = 666.

238568493240 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 (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 211308996 + ... + 211310124.

Almost surely, 2^238568493240 is an apocalyptic number.

238568493240 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 238568493240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513443026800).

238568493240 is an abundant number, since it is smaller than the sum of its proper divisors (788317560360).

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

238568493240 is a wasteful number, since it uses less digits than its factorization.

238568493240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 238568493240 in words is "two hundred thirty-eight billion, five hundred sixty-eight million, four hundred ninety-three thousand, two hundred forty".