2421542325340 has 24 divisors (see below), whose sum is σ = 5171429375280. Its totient is φ = 952199693568.

The previous prime is 2421542325317. The next prime is 2421542325341. The reversal of 2421542325340 is 435232451242.

It is a happy number.

It is a super-4 number, since 4×2421542325340⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2421542325340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421542325341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026076077 + ... + 1026078436.

It is an arithmetic number, because the mean of its divisors is an integer number (215476223970).

Almost surely, 2^{2421542325340} is an apocalyptic number.

2421542325340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421542325340 is an abundant number, since it is smaller than the sum of its proper divisors (2749887049940).

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

2421542325340 is a wasteful number, since it uses less digits than its factorization.

2421542325340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052154581 (or 2052154579 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 2421542325340 its reverse (435232451242), we get a palindrome (2856774776582).

The spelling of 2421542325340 in words is "two trillion, four hundred twenty-one billion, five hundred forty-two million, three hundred twenty-five thousand, three hundred forty".