321441140244240 has 120 divisors (see below), whose sum is σ = 1094710813005888. Its totient is φ = 84510346717440.

The previous prime is 321441140244137. The next prime is 321441140244337. The reversal of 321441140244240 is 42442041144123.

321441140244240 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 4 + 1 + 1 + 402 + 4 + 4 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 321441140244195 and 321441140244204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3143934994 + ... + 3144037233.

Almost surely, 2^{321441140244240} is an apocalyptic number.

321441140244240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321441140244240 is an abundant number, since it is smaller than the sum of its proper divisors (773269672761648).

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

321441140244240 is a wasteful number, since it uses less digits than its factorization.

321441140244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287972317 (or 6287972308 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 321441140244240 its reverse (42442041144123), we get a palindrome (363883181388363).

The spelling of 321441140244240 in words is "three hundred twenty-one trillion, four hundred forty-one billion, one hundred forty million, two hundred forty-four thousand, two hundred forty".