398611568448 has 112 divisors (see below), whose sum is σ = 1176201864000. Its totient is φ = 132376425984.

The previous prime is 398611568429. The next prime is 398611568449. The reversal of 398611568448 is 844865116893.

398611568448 is a `hidden beast` number, since 3 + 9 + 8 + 61 + 1 + 568 + 4 + 4 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398611568449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36063 + ... + 893601.

Almost surely, 2^398611568448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398611568448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588100932000).

398611568448 is an abundant number, since it is smaller than the sum of its proper divisors (777590295552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398611568448 is a wasteful number, since it uses less digits than its factorization.

398611568448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857829 (or 857813 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 398611568448 in words is "three hundred ninety-eight billion, six hundred eleven million, five hundred sixty-eight thousand, four hundred forty-eight".