398368450498 has 16 divisors (see below), whose sum is σ = 599442586560. Its totient is φ = 198554673136.

The previous prime is 398368450481. The next prime is 398368450547. The reversal of 398368450498 is 894054863893.

It is an unprimeable number.

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, 1830561 + ... + 2036587.

It is an arithmetic number, because the mean of its divisors is an integer number (37465161660).

Almost surely, 2^398368450498 is an apocalyptic number.

398368450498 is a deficient number, since it is larger than the sum of its proper divisors (201074136062).

398368450498 is a wasteful number, since it uses less digits than its factorization.

398368450498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209081.

The product of its (nonzero) digits is 179159040, while the sum is 67.

The spelling of 398368450498 in words is "three hundred ninety-eight billion, three hundred sixty-eight million, four hundred fifty thousand, four hundred ninety-eight".