2805421146 has 64 divisors (see below), whose sum is σ = 6286896000. Its totient is φ = 827187200.

The previous prime is 2805421139. The next prime is 2805421163. The reversal of 2805421146 is 6411245082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 1213840 + ... + 1216148.

It is an arithmetic number, because the mean of its divisors is an integer number (98232750).

Almost surely, 2^2805421146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2805421146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3143448000).

2805421146 is an abundant number, since it is smaller than the sum of its proper divisors (3481474854).

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

2805421146 is a wasteful number, since it uses less digits than its factorization.

2805421146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2805421146 is about 52966.2264655507. The cubic root of 2805421146 is about 1410.3687894046.

The spelling of 2805421146 in words is "two billion, eight hundred five million, four hundred twenty-one thousand, one hundred forty-six".