398441870016 has 56 divisors (see below), whose sum is σ = 1066055891760. Its totient is φ = 131321659392.

The previous prime is 398441870011. The next prime is 398441870027. The reversal of 398441870016 is 610078144893.

It is not an unprimeable number, because it can be changed into a prime (398441870011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11641441 + ... + 11675616.

Almost surely, 2^398441870016 is an apocalyptic number.

It is an amenable number.

398441870016 is an abundant number, since it is smaller than the sum of its proper divisors (667614021744).

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

398441870016 is a wasteful number, since it uses less digits than its factorization.

398441870016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23317161 (or 23317151 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 398441870016 in words is "three hundred ninety-eight billion, four hundred forty-one million, eight hundred seventy thousand, sixteen".