2821481418 has 96 divisors (see below), whose sum is σ = 6838248960. Its totient is φ = 760142880.

The previous prime is 2821481371. The next prime is 2821481419. The reversal of 2821481418 is 8141841282.

It is not an unprimeable number, because it can be changed into a prime (2821481419) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5746153 + ... + 5746643.

It is an arithmetic number, because the mean of its divisors is an integer number (71231760).

Almost surely, 2^2821481418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2821481418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3419124480).

2821481418 is an abundant number, since it is smaller than the sum of its proper divisors (4016767542).

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

2821481418 is a wasteful number, since it uses less digits than its factorization.

2821481418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 901 counting only the distinct ones).

The product of its digits is 32768, while the sum is 39.

The square root of 2821481418 is about 53117.6187154507. The cubic root of 2821481418 is about 1413.0549957083.

The spelling of 2821481418 in words is "two billion, eight hundred twenty-one million, four hundred eighty-one thousand, four hundred eighteen".