30446320416 has 48 divisors (see below), whose sum is σ = 80034494400. Its totient is φ = 10134436608.

The previous prime is 30446320379. The next prime is 30446320433. The reversal of 30446320416 is 61402364403.

It is a tau number, because it is divible by the number of its divisors (48).

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, 155596 + ... + 291723.

It is an arithmetic number, because the mean of its divisors is an integer number (1667385300).

Almost surely, 2^30446320416 is an apocalyptic number.

It is an amenable number.

30446320416 is an abundant number, since it is smaller than the sum of its proper divisors (49588173984).

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

30446320416 is a wasteful number, since it uses less digits than its factorization.

30446320416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448041 (or 448033 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 30446320416 its reverse (61402364403), we get a palindrome (91848684819).

The spelling of 30446320416 in words is "thirty billion, four hundred forty-six million, three hundred twenty thousand, four hundred sixteen".