403312432442 has 16 divisors (see below), whose sum is σ = 619743661152. Its totient is φ = 196741908720.

The previous prime is 403312432441. The next prime is 403312432469. The reversal of 403312432442 is 244234213304.

It is a junction number, because it is equal to n+sod(n) for n = 403312432399 and 403312432408.

It is not an unprimeable number, because it can be changed into a prime (403312432441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2598284 + ... + 2749127.

It is an arithmetic number, because the mean of its divisors is an integer number (38733978822).

Almost surely, 2^403312432442 is an apocalyptic number.

403312432442 is a deficient number, since it is larger than the sum of its proper divisors (216431228710).

403312432442 is a wasteful number, since it uses less digits than its factorization.

403312432442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348333.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 403312432442 its reverse (244234213304), we get a palindrome (647546645746).

The spelling of 403312432442 in words is "four hundred three billion, three hundred twelve million, four hundred thirty-two thousand, four hundred forty-two".