403321240442 has 16 divisors (see below), whose sum is σ = 622735329312. Its totient is φ = 195767404560.

The previous prime is 403321240423. The next prime is 403321240447. The reversal of 403321240442 is 244042123304.

It is not an unprimeable number, because it can be changed into a prime (403321240447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6118784 + ... + 6184347.

It is an arithmetic number, because the mean of its divisors is an integer number (38920958082).

Almost surely, 2^403321240442 is an apocalyptic number.

403321240442 is a deficient number, since it is larger than the sum of its proper divisors (219414088870).

403321240442 is a wasteful number, since it uses less digits than its factorization.

403321240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12303613.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 403321240442 its reverse (244042123304), we get a palindrome (647363363746).

The spelling of 403321240442 in words is "four hundred three billion, three hundred twenty-one million, two hundred forty thousand, four hundred forty-two".