321410433430040 has 32 divisors (see below), whose sum is σ = 765713091408480. Its totient is φ = 121001574938112.

The previous prime is 321410433429979. The next prime is 321410433430087. The reversal of 321410433430040 is 40034334014123.

It is a junction number, because it is equal to n+sod(n) for n = 321410433429979 and 321410433430006.

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 7 ways as a sum of consecutive naturals, for example, 236331200372 + ... + 236331201731.

It is an arithmetic number, because the mean of its divisors is an integer number (23928534106515).

Almost surely, 2^{321410433430040} is an apocalyptic number.

It is an amenable number.

321410433430040 is an abundant number, since it is smaller than the sum of its proper divisors (444302657978440).

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

321410433430040 is a wasteful number, since it uses less digits than its factorization.

321410433430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472662402131 (or 472662402127 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 321410433430040 its reverse (40034334014123), we get a palindrome (361444767444163).

The spelling of 321410433430040 in words is "three hundred twenty-one trillion, four hundred ten billion, four hundred thirty-three million, four hundred thirty thousand, forty".