238536870498 has 96 divisors (see below), whose sum is σ = 537756291072. Its totient is φ = 76335631200.

The previous prime is 238536870497. The next prime is 238536870587. The reversal of 238536870498 is 894078635832.

238536870498 is a `hidden beast` number, since 2 + 3 + 8 + 536 + 8 + 7 + 0 + 4 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (238536870497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53206965 + ... + 53211447.

It is an arithmetic number, because the mean of its divisors is an integer number (5601628032).

Almost surely, 2^238536870498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238536870498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268878145536).

238536870498 is an abundant number, since it is smaller than the sum of its proper divisors (299219420574).

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

238536870498 is a wasteful number, since it uses less digits than its factorization.

238536870498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 238536870498 in words is "two hundred thirty-eight billion, five hundred thirty-six million, eight hundred seventy thousand, four hundred ninety-eight".