238509420760 has 32 divisors (see below), whose sum is σ = 577926674640. Its totient is φ = 88065016704.

The previous prime is 238509420739. The next prime is 238509420761. The reversal of 238509420760 is 67024905832.

It is a self number, because there is not a number n which added to its sum of digits gives 238509420760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238509420761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229335462 + ... + 229336501.

Almost surely, 2^238509420760 is an apocalyptic number.

238509420760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238509420760 is an abundant number, since it is smaller than the sum of its proper divisors (339417253880).

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

238509420760 is a wasteful number, since it uses less digits than its factorization.

238509420760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458671987 (or 458671983 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 238509420760 in words is "two hundred thirty-eight billion, five hundred nine million, four hundred twenty thousand, seven hundred sixty".