2158284480 has 448 divisors, whose sum is σ = 8146206720. Its totient is φ = 478310400.

The previous prime is 2158284473. The next prime is 2158284533. The reversal of 2158284480 is 844828512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6219667 + ... + 6220013.

Almost surely, 2^2158284480 is an apocalyptic number.

2158284480 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 2158284480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4073103360).

2158284480 is an abundant number, since it is smaller than the sum of its proper divisors (5987922240).

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

2158284480 is a wasteful number, since it uses less digits than its factorization.

2158284480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The square root of 2158284480 is about 46457.3404318413. The cubic root of 2158284480 is about 1292.3185033981.

The spelling of 2158284480 in words is "two billion, one hundred fifty-eight million, two hundred eighty-four thousand, four hundred eighty".