2421321332320 has 48 divisors (see below), whose sum is σ = 6240405438288. Its totient is φ = 880480483840.

The previous prime is 2421321332317. The next prime is 2421321332323. The reversal of 2421321332320 is 232331231242.

It is an interprime number because it is at equal distance from previous prime (2421321332317) and next prime (2421321332323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421321332323) 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 7 ways as a sum of consecutive naturals, for example, 687873619 + ... + 687877138.

It is an arithmetic number, because the mean of its divisors is an integer number (130008446631).

Almost surely, 2^{2421321332320} is an apocalyptic number.

2421321332320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421321332320 is an abundant number, since it is smaller than the sum of its proper divisors (3819084105968).

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

2421321332320 is a wasteful number, since it uses less digits than its factorization.

2421321332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375750783 (or 1375750775 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2421321332320 its reverse (232331231242), we get a palindrome (2653652563562).

The spelling of 2421321332320 in words is "two trillion, four hundred twenty-one billion, three hundred twenty-one million, three hundred thirty-two thousand, three hundred twenty".