2421440994 has 64 divisors (see below), whose sum is σ = 5639639040. Its totient is φ = 678784320.

The previous prime is 2421440981. The next prime is 2421441023. The reversal of 2421440994 is 4990441242.

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 31 ways as a sum of consecutive naturals, for example, 1287747 + ... + 1289625.

It is an arithmetic number, because the mean of its divisors is an integer number (88119360).

Almost surely, 2^2421440994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421440994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2819819520).

2421440994 is an abundant number, since it is smaller than the sum of its proper divisors (3218198046).

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

2421440994 is a wasteful number, since it uses less digits than its factorization.

2421440994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 2421440994 is about 49208.1395096380. The cubic root of 2421440994 is about 1342.8411156670.

The spelling of 2421440994 in words is "two billion, four hundred twenty-one million, four hundred forty thousand, nine hundred ninety-four".