2421530530140 has 48 divisors (see below), whose sum is σ = 6780730320000. Its totient is φ = 645699109440.

The previous prime is 2421530530129. The next prime is 2421530530151. The reversal of 2421530530140 is 410350351242.

It is an interprime number because it is at equal distance from previous prime (2421530530129) and next prime (2421530530151).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2421530530098 and 2421530530107.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 396390 + ... + 2236109.

It is an arithmetic number, because the mean of its divisors is an integer number (141265215000).

Almost surely, 2^{2421530530140} is an apocalyptic number.

2421530530140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421530530140 is an abundant number, since it is smaller than the sum of its proper divisors (4359199789860).

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

2421530530140 is a wasteful number, since it uses less digits than its factorization.

2421530530140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647842 (or 2647840 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2421530530140 its reverse (410350351242), we get a palindrome (2831880881382).

The spelling of 2421530530140 in words is "two trillion, four hundred twenty-one billion, five hundred thirty million, five hundred thirty thousand, one hundred forty".