403243220000 has 120 divisors (see below), whose sum is σ = 992612662272. Its totient is φ = 161204000000.

The previous prime is 403243219993. The next prime is 403243220053. The reversal of 403243220000 is 22342304.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42215225 + ... + 42224775.

Almost surely, 2^403243220000 is an apocalyptic number.

403243220000 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 403243220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496306331136).

403243220000 is an abundant number, since it is smaller than the sum of its proper divisors (589369442272).

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

403243220000 is an equidigital number, since it uses as much as digits as its factorization.

403243220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692 (or 11669 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 403243220000 its reverse (22342304), we get a palindrome (403265562304).

The spelling of 403243220000 in words is "four hundred three billion, two hundred forty-three million, two hundred twenty thousand".