238916555144 has 32 divisors (see below), whose sum is σ = 448942533600. Its totient is φ = 119198701440.

The previous prime is 238916555023. The next prime is 238916555159. The reversal of 238916555144 is 441555619832.

It is a super-2 number, since 2×238916555144² (a number of 24 digits) contains 22 as substring.

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, 15619052 + ... + 15634340.

It is an arithmetic number, because the mean of its divisors is an integer number (14029454175).

Almost surely, 2^238916555144 is an apocalyptic number.

It is an amenable number.

238916555144 is a deficient number, since it is larger than the sum of its proper divisors (210025978456).

238916555144 is a wasteful number, since it uses less digits than its factorization.

238916555144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19413 (or 19409 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 53.

The spelling of 238916555144 in words is "two hundred thirty-eight billion, nine hundred sixteen million, five hundred fifty-five thousand, one hundred forty-four".