238581690378 has 16 divisors (see below), whose sum is σ = 490059688800. Its totient is φ = 77377845456.

The previous prime is 238581690371. The next prime is 238581690383. The reversal of 238581690378 is 873096185832.

It is not an unprimeable number, because it can be changed into a prime (238581690371) 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, 537345928 + ... + 537346371.

It is an arithmetic number, because the mean of its divisors is an integer number (30628730550).

Almost surely, 2^238581690378 is an apocalyptic number.

238581690378 is an abundant number, since it is smaller than the sum of its proper divisors (251477998422).

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

238581690378 is a wasteful number, since it uses less digits than its factorization.

238581690378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074692341.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 238581690378 in words is "two hundred thirty-eight billion, five hundred eighty-one million, six hundred ninety thousand, three hundred seventy-eight".