30530122450 has 24 divisors (see below), whose sum is σ = 59774767920. Its totient is φ = 11569309200.

The previous prime is 30530122439. The next prime is 30530122457. The reversal of 30530122450 is 5422103503.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (30530122457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16067536 + ... + 16069435.

It is an arithmetic number, because the mean of its divisors is an integer number (2490615330).

Almost surely, 2^30530122450 is an apocalyptic number.

30530122450 is a deficient number, since it is larger than the sum of its proper divisors (29244645470).

30530122450 is a wasteful number, since it uses less digits than its factorization.

30530122450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32137002 (or 32136997 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 30530122450 its reverse (5422103503), we get a palindrome (35952225953).

The spelling of 30530122450 in words is "thirty billion, five hundred thirty million, one hundred twenty-two thousand, four hundred fifty".