403230344340 has 48 divisors (see below), whose sum is σ = 1195459376832. Its totient is φ = 101202909696.

The previous prime is 403230344339. The next prime is 403230344381. The reversal of 403230344340 is 43443032304.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 403230344298 and 403230344307.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 197660914 + ... + 197662953.

It is an arithmetic number, because the mean of its divisors is an integer number (24905403684).

Almost surely, 2^403230344340 is an apocalyptic number.

It is an amenable number.

403230344340 is an abundant number, since it is smaller than the sum of its proper divisors (792229032492).

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

403230344340 is a wasteful number, since it uses less digits than its factorization.

403230344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395323896 (or 395323894 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 403230344340 its reverse (43443032304), we get a palindrome (446673376644).

The spelling of 403230344340 in words is "four hundred three billion, two hundred thirty million, three hundred forty-four thousand, three hundred forty".