30745224420 has 24 divisors (see below), whose sum is σ = 86086628544. Its totient is φ = 8198726496.

The previous prime is 30745224383. The next prime is 30745224479. The reversal of 30745224420 is 2442254703.

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 7 ways as a sum of consecutive naturals, for example, 256210144 + ... + 256210263.

It is an arithmetic number, because the mean of its divisors is an integer number (3586942856).

Almost surely, 2^30745224420 is an apocalyptic number.

30745224420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30745224420 is an abundant number, since it is smaller than the sum of its proper divisors (55341404124).

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

30745224420 is a wasteful number, since it uses less digits than its factorization.

30745224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512420419 (or 512420417 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 33.

The spelling of 30745224420 in words is "thirty billion, seven hundred forty-five million, two hundred twenty-four thousand, four hundred twenty".