30420340244 has 24 divisors (see below), whose sum is σ = 60881352000. Its totient is φ = 13028573376.

The previous prime is 30420340231. The next prime is 30420340297. The reversal of 30420340244 is 44204302403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320417 + ... + 404360.

It is an arithmetic number, because the mean of its divisors is an integer number (2536723000).

Almost surely, 2^30420340244 is an apocalyptic number.

It is an amenable number.

30420340244 is an abundant number, since it is smaller than the sum of its proper divisors (30461011756).

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

30420340244 is a wasteful number, since it uses less digits than its factorization.

30420340244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726287 (or 726285 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 30420340244 its reverse (44204302403), we get a palindrome (74624642647).

The spelling of 30420340244 in words is "thirty billion, four hundred twenty million, three hundred forty thousand, two hundred forty-four".