321224001041040 has 40 divisors (see below), whose sum is σ = 995794403227968. Its totient is φ = 85659733610880.

The previous prime is 321224001041029. The next prime is 321224001041089. The reversal of 321224001041040 is 40140100422123.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 321224001041040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669216668596 + ... + 669216669075.

Almost surely, 2^{321224001041040} is an apocalyptic number.

321224001041040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321224001041040 is an abundant number, since it is smaller than the sum of its proper divisors (674570402186928).

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

321224001041040 is a wasteful number, since it uses less digits than its factorization.

321224001041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338433337687 (or 1338433337681 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 321224001041040 its reverse (40140100422123), we get a palindrome (361364101463163).

The spelling of 321224001041040 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, one million, forty-one thousand, forty".