398566042241 has 8 divisors (see below), whose sum is σ = 412316956800. Its totient is φ = 384815611600.

The previous prime is 398566042229. The next prime is 398566042243. The reversal of 398566042241 is 142240665893.

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

It is a cyclic number.

It is not a de Polignac number, because 398566042241 - 2⁶ = 398566042177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 398566042241.

It is not an unprimeable number, because it can be changed into a prime (398566042243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567990 + ... + 2718768.

It is an arithmetic number, because the mean of its divisors is an integer number (51539619600).

Almost surely, 2^398566042241 is an apocalyptic number.

It is an amenable number.

398566042241 is a deficient number, since it is larger than the sum of its proper divisors (13750914559).

398566042241 is a wasteful number, since it uses less digits than its factorization.

398566042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241959.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 398566042241 in words is "three hundred ninety-eight billion, five hundred sixty-six million, forty-two thousand, two hundred forty-one".