398245373232 has 160 divisors (see below), whose sum is σ = 1187707981824. Its totient is φ = 112631020800.

The previous prime is 398245373231. The next prime is 398245373263. The reversal of 398245373232 is 232373542893.

It is not an unprimeable number, because it can be changed into a prime (398245373231) 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 31 ways as a sum of consecutive naturals, for example, 54319807 + ... + 54327137.

Almost surely, 2^398245373232 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 398245373232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593853990912).

398245373232 is an abundant number, since it is smaller than the sum of its proper divisors (789462608592).

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

398245373232 is a wasteful number, since it uses less digits than its factorization.

398245373232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967 (or 8961 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 51.

The spelling of 398245373232 in words is "three hundred ninety-eight billion, two hundred forty-five million, three hundred seventy-three thousand, two hundred thirty-two".