2421515320000 has 420 divisors, whose sum is σ = 7173905290464. Its totient is φ = 807770880000.

The previous prime is 2421515319997. The next prime is 2421515320019. The reversal of 2421515320000 is 235151242.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 72503305 + ... + 72536695.

Almost surely, 2^{2421515320000} is an apocalyptic number.

2421515320000 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 2421515320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3586952645232).

2421515320000 is an abundant number, since it is smaller than the sum of its proper divisors (4752389970464).

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

2421515320000 is an equidigital number, since it uses as much as digits as its factorization.

2421515320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33474 (or 33442 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 2421515320000 in words is "two trillion, four hundred twenty-one billion, five hundred fifteen million, three hundred twenty thousand".