238888080439281 has 48 divisors (see below), whose sum is σ = 424691874390784. Its totient is φ = 126006319930752.

The previous prime is 238888080439273. The next prime is 238888080439291. The reversal of 238888080439281 is 182934080888832.

238888080439281 is a `hidden beast` number, since 2 + 3 + 8 + 8 + 8 + 80 + 80 + 4 + 392 + 81 = 666.

It is not a de Polignac number, because 238888080439281 - 2³ = 238888080439273 is a prime.

It is a super-2 number, since 2×238888080439281² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238888080439201) 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, 222960015 + ... + 224028891.

Almost surely, 2^{238888080439281} is an apocalyptic number.

238888080439281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

238888080439281 is a deficient number, since it is larger than the sum of its proper divisors (185803793951503).

238888080439281 is a wasteful number, since it uses less digits than its factorization.

238888080439281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341790 (or 1341787 counting only the distinct ones).

The product of its (nonzero) digits is 339738624, while the sum is 72.

The spelling of 238888080439281 in words is "two hundred thirty-eight trillion, eight hundred eighty-eight billion, eighty million, four hundred thirty-nine thousand, two hundred eighty-one".