30404402250 has 64 divisors (see below), whose sum is σ = 80353503360. Its totient is φ = 7630905600.

The previous prime is 30404402179. The next prime is 30404402269. The reversal of 30404402250 is 5220440403.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30404402250.

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 31 ways as a sum of consecutive naturals, for example, 1179580 + ... + 1205079.

It is an arithmetic number, because the mean of its divisors is an integer number (1255523490).

Almost surely, 2^30404402250 is an apocalyptic number.

30404402250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30404402250 is an abundant number, since it is smaller than the sum of its proper divisors (49949101110).

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

30404402250 is a wasteful number, since it uses less digits than its factorization.

30404402250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384696 (or 2384686 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 30404402250 its reverse (5220440403), we get a palindrome (35624842653).

The spelling of 30404402250 in words is "thirty billion, four hundred four million, four hundred two thousand, two hundred fifty".