403242200320 has 36 divisors (see below), whose sum is σ = 965891086020. Its totient is φ = 161296879616.

The previous prime is 403242200287. The next prime is 403242200323. The reversal of 403242200320 is 23002242304.

It can be written as a sum of positive squares in 2 ways, for example, as 266057892864 + 137184307456 = 515808^2 + 370384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 403242200291 and 403242200300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403242200323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 157515205 + ... + 157517764.

It is an arithmetic number, because the mean of its divisors is an integer number (26830307945).

Almost surely, 2^403242200320 is an apocalyptic number.

403242200320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403242200320 is an abundant number, since it is smaller than the sum of its proper divisors (562648885700).

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

403242200320 is an equidigital number, since it uses as much as digits as its factorization.

403242200320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315032990 (or 315032976 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 403242200320 its reverse (23002242304), we get a palindrome (426244442624).

The spelling of 403242200320 in words is "four hundred three billion, two hundred forty-two million, two hundred thousand, three hundred twenty".