321122413040 has 120 divisors (see below), whose sum is σ = 883781080224. Its totient is φ = 107789299200.

The previous prime is 321122412991. The next prime is 321122413061. The reversal of 321122413040 is 40314221123.

It is a junction number, because it is equal to n+sod(n) for n = 321122412997 and 321122413015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1150076 + ... + 1401755.

Almost surely, 2^321122413040 is an apocalyptic number.

It is an amenable number.

321122413040 is an abundant number, since it is smaller than the sum of its proper divisors (562658667184).

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

321122413040 is a wasteful number, since it uses less digits than its factorization.

321122413040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551879 (or 2551862 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 321122413040 its reverse (40314221123), we get a palindrome (361436634163).

The spelling of 321122413040 in words is "three hundred twenty-one billion, one hundred twenty-two million, four hundred thirteen thousand, forty".