400222543333320 has 192 divisors, whose sum is σ = 1308574755446400. Its totient is φ = 106083667814400.

The previous prime is 400222543333253. The next prime is 400222543333351. The reversal of 400222543333320 is 23333345222004.

400222543333320 is a `hidden beast` number, since 4 + 0 + 0 + 22 + 254 + 33 + 33 + 320 = 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 47 ways as a sum of consecutive naturals, for example, 35955661 + ... + 45752099.

It is an arithmetic number, because the mean of its divisors is an integer number (6815493517950).

Almost surely, 2^{400222543333320} is an apocalyptic number.

400222543333320 is a gapful number since it is divisible by the number (40) 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 400222543333320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654287377723200).

400222543333320 is an abundant number, since it is smaller than the sum of its proper divisors (908352212113080).

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

400222543333320 is a wasteful number, since it uses less digits than its factorization.

400222543333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9797140 (or 9797133 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 36.

Adding to 400222543333320 its reverse (23333345222004), we get a palindrome (423555888555324).

The spelling of 400222543333320 in words is "four hundred trillion, two hundred twenty-two billion, five hundred forty-three million, three hundred thirty-three thousand, three hundred twenty".