400303330232 has 128 divisors (see below), whose sum is σ = 865374182400. Its totient is φ = 172067328000.

The previous prime is 400303330201. The next prime is 400303330241. The reversal of 400303330232 is 232033303004.

It is a junction number, because it is equal to n+sod(n) for n = 400303330198 and 400303330207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28935557 + ... + 28949387.

It is an arithmetic number, because the mean of its divisors is an integer number (6760735800).

Almost surely, 2^400303330232 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 400303330232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432687091200).

400303330232 is an abundant number, since it is smaller than the sum of its proper divisors (465070852168).

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

400303330232 is a wasteful number, since it uses less digits than its factorization.

400303330232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117 (or 14113 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 400303330232 its reverse (232033303004), we get a palindrome (632336633236).

The spelling of 400303330232 in words is "four hundred billion, three hundred three million, three hundred thirty thousand, two hundred thirty-two".