2421287684376 has 128 divisors (see below), whose sum is σ = 6638150534400. Its totient is φ = 729884321280.

The previous prime is 2421287684351. The next prime is 2421287684381. The reversal of 2421287684376 is 6734867821242.

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 31 ways as a sum of consecutive naturals, for example, 41224086 + ... + 41282778.

It is an arithmetic number, because the mean of its divisors is an integer number (51860551050).

Almost surely, 2^{2421287684376} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421287684376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319075267200).

2421287684376 is an abundant number, since it is smaller than the sum of its proper divisors (4216862850024).

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

2421287684376 is a wasteful number, since it uses less digits than its factorization.

2421287684376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59529 (or 59525 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 60.

The spelling of 2421287684376 in words is "two trillion, four hundred twenty-one billion, two hundred eighty-seven million, six hundred eighty-four thousand, three hundred seventy-six".