238549204455 has 8 divisors (see below), whose sum is σ = 381678727152. Its totient is φ = 127226242368.

The previous prime is 238549204451. The next prime is 238549204463. The reversal of 238549204455 is 554402945832.

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

It is not a de Polignac number, because 238549204455 - 2² = 238549204451 is a prime.

It is a super-2 number, since 2×238549204455² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238549204398 and 238549204407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238549204451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7951640134 + ... + 7951640163.

It is an arithmetic number, because the mean of its divisors is an integer number (47709840894).

Almost surely, 2^238549204455 is an apocalyptic number.

238549204455 is a deficient number, since it is larger than the sum of its proper divisors (143129522697).

238549204455 is a wasteful number, since it uses less digits than its factorization.

238549204455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15903280305.

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 238549204455 in words is "two hundred thirty-eight billion, five hundred forty-nine million, two hundred four thousand, four hundred fifty-five".