238038817076438 has 16 divisors (see below), whose sum is σ = 409618127381760. Its totient is φ = 101628739934376.

The previous prime is 238038817076393. The next prime is 238038817076461. The reversal of 238038817076438 is 834670718830832.

It is a super-3 number, since 3×238038817076438³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32324659148 + ... + 32324666511.

It is an arithmetic number, because the mean of its divisors is an integer number (25601132961360).

Almost surely, 2^{238038817076438} is an apocalyptic number.

238038817076438 is a deficient number, since it is larger than the sum of its proper divisors (171579310305322).

238038817076438 is a wasteful number, since it uses less digits than its factorization.

238038817076438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64649325931.

The product of its (nonzero) digits is 260112384, while the sum is 68.

The spelling of 238038817076438 in words is "two hundred thirty-eight trillion, thirty-eight billion, eight hundred seventeen million, seventy-six thousand, four hundred thirty-eight".