403242411321 has 16 divisors (see below), whose sum is σ = 597419884800. Its totient is φ = 268817600304.

The previous prime is 403242411307. The next prime is 403242411323. The reversal of 403242411321 is 123114242304.

403242411321 is a `hidden beast` number, since 4 + 0 + 3 + 242 + 411 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 403242411321 - 2¹⁹ = 403241887033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (403242411323) 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 15 ways as a sum of consecutive naturals, for example, 428320 + ... + 994958.

It is an arithmetic number, because the mean of its divisors is an integer number (37338742800).

Almost surely, 2^403242411321 is an apocalyptic number.

It is an amenable number.

403242411321 is a deficient number, since it is larger than the sum of its proper divisors (194177473479).

403242411321 is a wasteful number, since it uses less digits than its factorization.

403242411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593005 (or 592999 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 403242411321 its reverse (123114242304), we get a palindrome (526356653625).

The spelling of 403242411321 in words is "four hundred three billion, two hundred forty-two million, four hundred eleven thousand, three hundred twenty-one".