238991437008 has 240 divisors, whose sum is σ = 735210193536. Its totient is φ = 74896773120.

The previous prime is 238991436979. The next prime is 238991437037. The reversal of 238991437008 is 800734199832.

It is an interprime number because it is at equal distance from previous prime (238991436979) and next prime (238991437037).

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99869860 + ... + 99872252.

Almost surely, 2^238991437008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238991437008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367605096768).

238991437008 is an abundant number, since it is smaller than the sum of its proper divisors (496218756528).

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

238991437008 is a wasteful number, since it uses less digits than its factorization.

238991437008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944 (or 3926 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 238991437008 in words is "two hundred thirty-eight billion, nine hundred ninety-one million, four hundred thirty-seven thousand, eight".