2421155453200 has 180 divisors, whose sum is σ = 6671691359424. Its totient is φ = 842140640000.

The previous prime is 2421155453179. The next prime is 2421155453243. The reversal of 2421155453200 is 23545511242.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25725 + ... + 2200675.

Almost surely, 2^{2421155453200} is an apocalyptic number.

2421155453200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421155453200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3335845679712).

2421155453200 is an abundant number, since it is smaller than the sum of its proper divisors (4250535906224).

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

2421155453200 is a wasteful number, since it uses less digits than its factorization.

2421155453200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175014 (or 2174992 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 2421155453200 in words is "two trillion, four hundred twenty-one billion, one hundred fifty-five million, four hundred fifty-three thousand, two hundred".