238006071840 has 288 divisors, whose sum is σ = 824998668480. Its totient is φ = 57512429568.

The previous prime is 238006071829. The next prime is 238006071881. The reversal of 238006071840 is 48170600832.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4799814 + ... + 4849146.

It is an arithmetic number, because the mean of its divisors is an integer number (2864578710).

Almost surely, 2^238006071840 is an apocalyptic number.

238006071840 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 238006071840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412499334240).

238006071840 is an abundant number, since it is smaller than the sum of its proper divisors (586992596640).

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

238006071840 is a wasteful number, since it uses less digits than its factorization.

238006071840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49416 (or 49385 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 238006071840 in words is "two hundred thirty-eight billion, six million, seventy-one thousand, eight hundred forty".