398423160000 has 840 divisors, whose sum is σ = 1551443379200. Its totient is φ = 97355520000.

The previous prime is 398423159983. The next prime is 398423160061. The reversal of 398423160000 is 61324893.

398423160000 is a `hidden beast` number, since 3 + 9 + 8 + 42 + 3 + 1 + 600 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 212039061 + ... + 212040939.

Almost surely, 2^398423160000 is an apocalyptic number.

398423160000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398423160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775721689600).

398423160000 is an abundant number, since it is smaller than the sum of its proper divisors (1153020219200).

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

398423160000 is a wasteful number, since it uses less digits than its factorization.

398423160000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 398423160000 its reverse (61324893), we get a palindrome (398484484893).

The spelling of 398423160000 in words is "three hundred ninety-eight billion, four hundred twenty-three million, one hundred sixty thousand".