398109348980322 has 32 divisors (see below), whose sum is σ = 909967680384000. Its totient is φ = 113745096512208.

The previous prime is 398109348980293. The next prime is 398109348980323. The reversal of 398109348980322 is 223089843901893.

It is a happy number.

It is a super-2 number, since 2×398109348980322² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (398109348980323) 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, 6710872 + ... + 29004387.

It is an arithmetic number, because the mean of its divisors is an integer number (28436490012000).

Almost surely, 2^{398109348980322} is an apocalyptic number.

398109348980322 is an abundant number, since it is smaller than the sum of its proper divisors (511858331403678).

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

398109348980322 is a wasteful number, since it uses less digits than its factorization.

398109348980322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35980670.

The product of its (nonzero) digits is 161243136, while the sum is 69.

The spelling of 398109348980322 in words is "three hundred ninety-eight trillion, one hundred nine billion, three hundred forty-eight million, nine hundred eighty thousand, three hundred twenty-two".