238865052455 has 8 divisors (see below), whose sum is σ = 286652215104. Its totient is φ = 191082607200.

The previous prime is 238865052427. The next prime is 238865052551. The reversal of 238865052455 is 554250568832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238865052455 - 2²² = 238860858151 is a prime.

It is a super-3 number, since 3×238865052455³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238865052397 and 238865052406.

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, 1066976 + ... + 1271285.

It is an arithmetic number, because the mean of its divisors is an integer number (35831526888).

Almost surely, 2^238865052455 is an apocalyptic number.

238865052455 is a deficient number, since it is larger than the sum of its proper divisors (47787162649).

238865052455 is a wasteful number, since it uses less digits than its factorization.

238865052455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358697.

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 238865052455 in words is "two hundred thirty-eight billion, eight hundred sixty-five million, fifty-two thousand, four hundred fifty-five".