400310130220 has 192 divisors, whose sum is σ = 1129729047552. Its totient is φ = 115069824000.

The previous prime is 400310130203. The next prime is 400310130229. The reversal of 400310130220 is 22031013004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400310130194 and 400310130203.

It is not an unprimeable number, because it can be changed into a prime (400310130229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23635155 + ... + 23652085.

It is an arithmetic number, because the mean of its divisors is an integer number (5884005456).

Almost surely, 2^400310130220 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 400310130220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564864523776).

400310130220 is an abundant number, since it is smaller than the sum of its proper divisors (729418917332).

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

400310130220 is a wasteful number, since it uses less digits than its factorization.

400310130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18152 (or 18150 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 400310130220 its reverse (22031013004), we get a palindrome (422341143224).

The spelling of 400310130220 in words is "four hundred billion, three hundred ten million, one hundred thirty thousand, two hundred twenty".