2421440164 has 24 divisors (see below), whose sum is σ = 4978346688. Its totient is φ = 1015988640.

The previous prime is 2421440107. The next prime is 2421440171. The reversal of 2421440164 is 4610441242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116072 + ... + 2117215.

It is an arithmetic number, because the mean of its divisors is an integer number (207431112).

Almost surely, 2^2421440164 is an apocalyptic number.

It is an amenable number.

2421440164 is an abundant number, since it is smaller than the sum of its proper divisors (2556906524).

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

2421440164 is a wasteful number, since it uses less digits than its factorization.

2421440164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233315 (or 4233313 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2421440164 is about 49208.1310760732. The cubic root of 2421440164 is about 1342.8409622379.

The spelling of 2421440164 in words is "two billion, four hundred twenty-one million, four hundred forty thousand, one hundred sixty-four".