395493250218 has 96 divisors (see below), whose sum is σ = 917824488000. Its totient is φ = 113212028160.

The previous prime is 395493250189. The next prime is 395493250249. The reversal of 395493250218 is 812052394593.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 4773030 + ... + 4855182.

It is an arithmetic number, because the mean of its divisors is an integer number (9560671750).

Almost surely, 2^395493250218 is an apocalyptic number.

395493250218 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 395493250218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458912244000).

395493250218 is an abundant number, since it is smaller than the sum of its proper divisors (522331237782).

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

395493250218 is a wasteful number, since it uses less digits than its factorization.

395493250218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82548 (or 82537 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 395493250218 in words is "three hundred ninety-five billion, four hundred ninety-three million, two hundred fifty thousand, two hundred eighteen".