2421990306 has 48 divisors (see below), whose sum is σ = 5848783200. Its totient is φ = 719846784.

The previous prime is 2421990301. The next prime is 2421990313. The reversal of 2421990306 is 6030991242.

It is not an unprimeable number, because it can be changed into a prime (2421990301) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 202476 + ... + 214103.

It is an arithmetic number, because the mean of its divisors is an integer number (121849650).

Almost surely, 2^2421990306 is an apocalyptic number.

2421990306 is an abundant number, since it is smaller than the sum of its proper divisors (3426792894).

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

2421990306 is a wasteful number, since it uses less digits than its factorization.

2421990306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416623 (or 416620 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2421990306 is about 49213.7207087617. The cubic root of 2421990306 is about 1342.9426506578.

The spelling of 2421990306 in words is "two billion, four hundred twenty-one million, nine hundred ninety thousand, three hundred six".